Home / 127,192.29-175,425.21-112,672.01

Finding the Fourth Proportional to 127,192.29, 175,425.21 and 112,672.01

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Solution

The fourth proportional to 127,192.29, 175,425.21 and 112,672.01 is: 155,398.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,192.29 : 175,425.21 = 112,672.01 : x
  2. Step 2: Convert to fraction form
    127,192.29/175,425.21 = 112,672.01/x
  3. Step 3: Cross multiply
    127,192.29x = 175,425.21 × 112,672.01
  4. Step 4: Simplify right side
    127,192.29x = 19,765,510,138.25
  5. Step 5: Solve for x
    x = 19,765,510,138.25/127,192.29
  6. Step 6: Final answer
    x = 155,398.65

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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.