Home / 151,242.40-226,863.60-98,711.20

Finding the Fourth Proportional to 151,242.40, 226,863.60 and 98,711.20

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Solution

The fourth proportional to 151,242.40, 226,863.60 and 98,711.20 is: 148,066.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,242.40 : 226,863.60 = 98,711.20 : x
  2. Step 2: Convert to fraction form
    151,242.40/226,863.60 = 98,711.20/x
  3. Step 3: Cross multiply
    151,242.40x = 226,863.60 × 98,711.20
  4. Step 4: Simplify right side
    151,242.40x = 22,393,978,192.32
  5. Step 5: Solve for x
    x = 22,393,978,192.32/151,242.40
  6. Step 6: Final answer
    x = 148,066.80

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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.