Home / 127,349.36-175,731.82-73,637.86

Finding the Fourth Proportional to 127,349.36, 175,731.82 and 73,637.86

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Solution

The fourth proportional to 127,349.36, 175,731.82 and 73,637.86 is: 101,614.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,349.36 : 175,731.82 = 73,637.86 : x
  2. Step 2: Convert to fraction form
    127,349.36/175,731.82 = 73,637.86/x
  3. Step 3: Cross multiply
    127,349.36x = 175,731.82 × 73,637.86
  4. Step 4: Simplify right side
    127,349.36x = 12,940,515,158.71
  5. Step 5: Solve for x
    x = 12,940,515,158.71/127,349.36
  6. Step 6: Final answer
    x = 101,614.29

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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.