Home / 157,512.20-236,225.88-57,672.90

Finding the Fourth Proportional to 157,512.20, 236,225.88 and 57,672.90

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Solution

The fourth proportional to 157,512.20, 236,225.88 and 57,672.90 is: 86,493.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,512.20 : 236,225.88 = 57,672.90 : x
  2. Step 2: Convert to fraction form
    157,512.20/236,225.88 = 57,672.90/x
  3. Step 3: Cross multiply
    157,512.20x = 236,225.88 × 57,672.90
  4. Step 4: Simplify right side
    157,512.20x = 13,623,831,554.65
  5. Step 5: Solve for x
    x = 13,623,831,554.65/157,512.20
  6. Step 6: Final answer
    x = 86,493.82

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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.