Home / 181,108.20-271,403.10-125,639.40

Finding the Fourth Proportional to 181,108.20, 271,403.10 and 125,639.40

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Solution

The fourth proportional to 181,108.20, 271,403.10 and 125,639.40 is: 188,279.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,108.20 : 271,403.10 = 125,639.40 : x
  2. Step 2: Convert to fraction form
    181,108.20/271,403.10 = 125,639.40/x
  3. Step 3: Cross multiply
    181,108.20x = 271,403.10 × 125,639.40
  4. Step 4: Simplify right side
    181,108.20x = 34,098,922,642.14
  5. Step 5: Solve for x
    x = 34,098,922,642.14/181,108.20
  6. Step 6: Final answer
    x = 188,279.29

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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.