Home / 215,816.94-297,849.15-125,200.62

Finding the Fourth Proportional to 215,816.94, 297,849.15 and 125,200.62

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Solution

The fourth proportional to 215,816.94, 297,849.15 and 125,200.62 is: 172,789.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,816.94 : 297,849.15 = 125,200.62 : x
  2. Step 2: Convert to fraction form
    215,816.94/297,849.15 = 125,200.62/x
  3. Step 3: Cross multiply
    215,816.94x = 297,849.15 × 125,200.62
  4. Step 4: Simplify right side
    215,816.94x = 37,290,898,246.47
  5. Step 5: Solve for x
    x = 37,290,898,246.47/215,816.94
  6. Step 6: Final answer
    x = 172,789.49

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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.