Home / 118,505.84-163,540.64-70,750.27

Finding the Fourth Proportional to 118,505.84, 163,540.64 and 70,750.27

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Solution

The fourth proportional to 118,505.84, 163,540.64 and 70,750.27 is: 97,636.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,505.84 : 163,540.64 = 70,750.27 : x
  2. Step 2: Convert to fraction form
    118,505.84/163,540.64 = 70,750.27/x
  3. Step 3: Cross multiply
    118,505.84x = 163,540.64 × 70,750.27
  4. Step 4: Simplify right side
    118,505.84x = 11,570,544,435.97
  5. Step 5: Solve for x
    x = 11,570,544,435.97/118,505.84
  6. Step 6: Final answer
    x = 97,636.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.