Home / 157,472.43-236,139.38-57,606.72

Finding the Fourth Proportional to 157,472.43, 236,139.38 and 57,606.72

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Solution

The fourth proportional to 157,472.43, 236,139.38 and 57,606.72 is: 86,384.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,472.43 : 236,139.38 = 57,606.72 : x
  2. Step 2: Convert to fraction form
    157,472.43/236,139.38 = 57,606.72/x
  3. Step 3: Cross multiply
    157,472.43x = 236,139.38 × 57,606.72
  4. Step 4: Simplify right side
    157,472.43x = 13,603,215,144.63
  5. Step 5: Solve for x
    x = 13,603,215,144.63/157,472.43
  6. Step 6: Final answer
    x = 86,384.74

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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.