Home / 113,280.15-156,329.15-62,289.64

Finding the Fourth Proportional to 113,280.15, 156,329.15 and 62,289.64

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Solution

The fourth proportional to 113,280.15, 156,329.15 and 62,289.64 is: 85,961.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,280.15 : 156,329.15 = 62,289.64 : x
  2. Step 2: Convert to fraction form
    113,280.15/156,329.15 = 62,289.64/x
  3. Step 3: Cross multiply
    113,280.15x = 156,329.15 × 62,289.64
  4. Step 4: Simplify right side
    113,280.15x = 9,737,686,358.97
  5. Step 5: Solve for x
    x = 9,737,686,358.97/113,280.15
  6. Step 6: Final answer
    x = 85,961.10

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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.