Home / 153,531.60-229,969.35-127,287.60

Finding the Fourth Proportional to 153,531.60, 229,969.35 and 127,287.60

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Solution

The fourth proportional to 153,531.60, 229,969.35 and 127,287.60 is: 190,659.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,531.60 : 229,969.35 = 127,287.60 : x
  2. Step 2: Convert to fraction form
    153,531.60/229,969.35 = 127,287.60/x
  3. Step 3: Cross multiply
    153,531.60x = 229,969.35 × 127,287.60
  4. Step 4: Simplify right side
    153,531.60x = 29,272,246,635.06
  5. Step 5: Solve for x
    x = 29,272,246,635.06/153,531.60
  6. Step 6: Final answer
    x = 190,659.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.