Home / 188,691.36-260,501.52-125,115.12

Finding the Fourth Proportional to 188,691.36, 260,501.52 and 125,115.12

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Solution

The fourth proportional to 188,691.36, 260,501.52 and 125,115.12 is: 172,730.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,691.36 : 260,501.52 = 125,115.12 : x
  2. Step 2: Convert to fraction form
    188,691.36/260,501.52 = 125,115.12/x
  3. Step 3: Cross multiply
    188,691.36x = 260,501.52 × 125,115.12
  4. Step 4: Simplify right side
    188,691.36x = 32,592,678,934.98
  5. Step 5: Solve for x
    x = 32,592,678,934.98/188,691.36
  6. Step 6: Final answer
    x = 172,730.11

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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.