Home / 113,774.15-156,639.29-89,532.38

Finding the Fourth Proportional to 113,774.15, 156,639.29 and 89,532.38

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Solution

The fourth proportional to 113,774.15, 156,639.29 and 89,532.38 is: 123,264.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,774.15 : 156,639.29 = 89,532.38 : x
  2. Step 2: Convert to fraction form
    113,774.15/156,639.29 = 89,532.38/x
  3. Step 3: Cross multiply
    113,774.15x = 156,639.29 × 89,532.38
  4. Step 4: Simplify right side
    113,774.15x = 14,024,287,204.35
  5. Step 5: Solve for x
    x = 14,024,287,204.35/113,774.15
  6. Step 6: Final answer
    x = 123,264.27

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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.