Home / 157,761.24-217,710.26-101,172.52

Finding the Fourth Proportional to 157,761.24, 217,710.26 and 101,172.52

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Solution

The fourth proportional to 157,761.24, 217,710.26 and 101,172.52 is: 139,617.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,761.24 : 217,710.26 = 101,172.52 : x
  2. Step 2: Convert to fraction form
    157,761.24/217,710.26 = 101,172.52/x
  3. Step 3: Cross multiply
    157,761.24x = 217,710.26 × 101,172.52
  4. Step 4: Simplify right side
    157,761.24x = 22,026,295,634.06
  5. Step 5: Solve for x
    x = 22,026,295,634.06/157,761.24
  6. Step 6: Final answer
    x = 139,617.92

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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.