Home / 134,582.10-185,720.85-74,158.32

Finding the Fourth Proportional to 134,582.10, 185,720.85 and 74,158.32

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Solution

The fourth proportional to 134,582.10, 185,720.85 and 74,158.32 is: 102,337.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,582.10 : 185,720.85 = 74,158.32 : x
  2. Step 2: Convert to fraction form
    134,582.10/185,720.85 = 74,158.32/x
  3. Step 3: Cross multiply
    134,582.10x = 185,720.85 × 74,158.32
  4. Step 4: Simplify right side
    134,582.10x = 13,772,746,224.97
  5. Step 5: Solve for x
    x = 13,772,746,224.97/134,582.10
  6. Step 6: Final answer
    x = 102,337.13

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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.