Home / 118,699.20-178,005.60-59,515.20

Finding the Fourth Proportional to 118,699.20, 178,005.60 and 59,515.20

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Solution

The fourth proportional to 118,699.20, 178,005.60 and 59,515.20 is: 89,251.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,699.20 : 178,005.60 = 59,515.20 : x
  2. Step 2: Convert to fraction form
    118,699.20/178,005.60 = 59,515.20/x
  3. Step 3: Cross multiply
    118,699.20x = 178,005.60 × 59,515.20
  4. Step 4: Simplify right side
    118,699.20x = 10,594,038,885.12
  5. Step 5: Solve for x
    x = 10,594,038,885.12/118,699.20
  6. Step 6: Final answer
    x = 89,251.14

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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.