Home / 134,456.80-185,543.04-74,025.16

Finding the Fourth Proportional to 134,456.80, 185,543.04 and 74,025.16

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Solution

The fourth proportional to 134,456.80, 185,543.04 and 74,025.16 is: 102,150.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,456.80 : 185,543.04 = 74,025.16 : x
  2. Step 2: Convert to fraction form
    134,456.80/185,543.04 = 74,025.16/x
  3. Step 3: Cross multiply
    134,456.80x = 185,543.04 × 74,025.16
  4. Step 4: Simplify right side
    134,456.80x = 13,734,853,222.89
  5. Step 5: Solve for x
    x = 13,734,853,222.89/134,456.80
  6. Step 6: Final answer
    x = 102,150.68

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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.