Home / 215,532.14-297,434.70-124,905.56

Finding the Fourth Proportional to 215,532.14, 297,434.70 and 124,905.56

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Solution

The fourth proportional to 215,532.14, 297,434.70 and 124,905.56 is: 172,369.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,532.14 : 297,434.70 = 124,905.56 : x
  2. Step 2: Convert to fraction form
    215,532.14/297,434.70 = 124,905.56/x
  3. Step 3: Cross multiply
    215,532.14x = 297,434.70 × 124,905.56
  4. Step 4: Simplify right side
    215,532.14x = 37,151,246,279.76
  5. Step 5: Solve for x
    x = 37,151,246,279.76/215,532.14
  6. Step 6: Final answer
    x = 172,369.87

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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.