Home / 127,854.02-176,444.52-71,265.80

Finding the Fourth Proportional to 127,854.02, 176,444.52 and 71,265.80

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Solution

The fourth proportional to 127,854.02, 176,444.52 and 71,265.80 is: 98,350.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,854.02 : 176,444.52 = 71,265.80 : x
  2. Step 2: Convert to fraction form
    127,854.02/176,444.52 = 71,265.80/x
  3. Step 3: Cross multiply
    127,854.02x = 176,444.52 × 71,265.80
  4. Step 4: Simplify right side
    127,854.02x = 12,574,459,873.42
  5. Step 5: Solve for x
    x = 12,574,459,873.42/127,854.02
  6. Step 6: Final answer
    x = 98,350.13

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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.