Home / 127,735.66-176,275.26-74,051.80

Finding the Fourth Proportional to 127,735.66, 176,275.26 and 74,051.80

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Solution

The fourth proportional to 127,735.66, 176,275.26 and 74,051.80 is: 102,191.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,735.66 : 176,275.26 = 74,051.80 : x
  2. Step 2: Convert to fraction form
    127,735.66/176,275.26 = 74,051.80/x
  3. Step 3: Cross multiply
    127,735.66x = 176,275.26 × 74,051.80
  4. Step 4: Simplify right side
    127,735.66x = 13,053,500,298.47
  5. Step 5: Solve for x
    x = 13,053,500,298.47/127,735.66
  6. Step 6: Final answer
    x = 102,191.51

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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.