Home / 157,472.18-236,139-57,606.47

Finding the Fourth Proportional to 157,472.18, 236,139 and 57,606.47

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Solution

The fourth proportional to 157,472.18, 236,139 and 57,606.47 is: 86,384.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,472.18 : 236,139 = 57,606.47 : x
  2. Step 2: Convert to fraction form
    157,472.18/236,139 = 57,606.47/x
  3. Step 3: Cross multiply
    157,472.18x = 236,139 × 57,606.47
  4. Step 4: Simplify right side
    157,472.18x = 13,603,133,038.64
  5. Step 5: Solve for x
    x = 13,603,133,038.64/157,472.18
  6. Step 6: Final answer
    x = 86,384.36

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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.