Home / 127,874.04-176,459.76-71,274.48

Finding the Fourth Proportional to 127,874.04, 176,459.76 and 71,274.48

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Solution

The fourth proportional to 127,874.04, 176,459.76 and 71,274.48 is: 98,355.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,874.04 : 176,459.76 = 71,274.48 : x
  2. Step 2: Convert to fraction form
    127,874.04/176,459.76 = 71,274.48/x
  3. Step 3: Cross multiply
    127,874.04x = 176,459.76 × 71,274.48
  4. Step 4: Simplify right side
    127,874.04x = 12,577,077,634.92
  5. Step 5: Solve for x
    x = 12,577,077,634.92/127,874.04
  6. Step 6: Final answer
    x = 98,355.21

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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.