Home / 127,943.80-191,820.92-61,320.52

Finding the Fourth Proportional to 127,943.80, 191,820.92 and 61,320.52

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Solution

The fourth proportional to 127,943.80, 191,820.92 and 61,320.52 is: 91,935.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,943.80 : 191,820.92 = 61,320.52 : x
  2. Step 2: Convert to fraction form
    127,943.80/191,820.92 = 61,320.52/x
  3. Step 3: Cross multiply
    127,943.80x = 191,820.92 × 61,320.52
  4. Step 4: Simplify right side
    127,943.80x = 11,762,558,561.28
  5. Step 5: Solve for x
    x = 11,762,558,561.28/127,943.80
  6. Step 6: Final answer
    x = 91,935.35

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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.