Home / 118,742.40-178,113.60-29,996.16

Finding the Fourth Proportional to 118,742.40, 178,113.60 and 29,996.16

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Solution

The fourth proportional to 118,742.40, 178,113.60 and 29,996.16 is: 44,994.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,742.40 : 178,113.60 = 29,996.16 : x
  2. Step 2: Convert to fraction form
    118,742.40/178,113.60 = 29,996.16/x
  3. Step 3: Cross multiply
    118,742.40x = 178,113.60 × 29,996.16
  4. Step 4: Simplify right side
    118,742.40x = 5,342,724,043.78
  5. Step 5: Solve for x
    x = 5,342,724,043.78/118,742.40
  6. Step 6: Final answer
    x = 44,994.24

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.