Home / 127,291.47-175,642.68-73,566.10

Finding the Fourth Proportional to 127,291.47, 175,642.68 and 73,566.10

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Solution

The fourth proportional to 127,291.47, 175,642.68 and 73,566.10 is: 101,509.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,291.47 : 175,642.68 = 73,566.10 : x
  2. Step 2: Convert to fraction form
    127,291.47/175,642.68 = 73,566.10/x
  3. Step 3: Cross multiply
    127,291.47x = 175,642.68 × 73,566.10
  4. Step 4: Simplify right side
    127,291.47x = 12,921,346,961.15
  5. Step 5: Solve for x
    x = 12,921,346,961.15/127,291.47
  6. Step 6: Final answer
    x = 101,509.92

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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.