Home / 457,371.24-686,123.28-141,853.56

Finding the Fourth Proportional to 457,371.24, 686,123.28 and 141,853.56

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Solution

The fourth proportional to 457,371.24, 686,123.28 and 141,853.56 is: 212,800.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,371.24 : 686,123.28 = 141,853.56 : x
  2. Step 2: Convert to fraction form
    457,371.24/686,123.28 = 141,853.56/x
  3. Step 3: Cross multiply
    457,371.24x = 686,123.28 × 141,853.56
  4. Step 4: Simplify right side
    457,371.24x = 97,329,029,866.88
  5. Step 5: Solve for x
    x = 97,329,029,866.88/457,371.24
  6. Step 6: Final answer
    x = 212,800.94

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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.