Home / 231,003.60-346,505.40-112,750.80

Finding the Fourth Proportional to 231,003.60, 346,505.40 and 112,750.80

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Solution

The fourth proportional to 231,003.60, 346,505.40 and 112,750.80 is: 169,126.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,003.60 : 346,505.40 = 112,750.80 : x
  2. Step 2: Convert to fraction form
    231,003.60/346,505.40 = 112,750.80/x
  3. Step 3: Cross multiply
    231,003.60x = 346,505.40 × 112,750.80
  4. Step 4: Simplify right side
    231,003.60x = 39,068,761,054.32
  5. Step 5: Solve for x
    x = 39,068,761,054.32/231,003.60
  6. Step 6: Final answer
    x = 169,126.20

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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.