Home / 157,787.60-236,566.20-64,245.20

Finding the Fourth Proportional to 157,787.60, 236,566.20 and 64,245.20

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Solution

The fourth proportional to 157,787.60, 236,566.20 and 64,245.20 is: 96,320.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,787.60 : 236,566.20 = 64,245.20 : x
  2. Step 2: Convert to fraction form
    157,787.60/236,566.20 = 64,245.20/x
  3. Step 3: Cross multiply
    157,787.60x = 236,566.20 × 64,245.20
  4. Step 4: Simplify right side
    157,787.60x = 15,198,242,832.24
  5. Step 5: Solve for x
    x = 15,198,242,832.24/157,787.60
  6. Step 6: Final answer
    x = 96,320.89

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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.