Home / 156,949.40-235,390.08-57,112.04

Finding the Fourth Proportional to 156,949.40, 235,390.08 and 57,112.04

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Solution

The fourth proportional to 156,949.40, 235,390.08 and 57,112.04 is: 85,655.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,949.40 : 235,390.08 = 57,112.04 : x
  2. Step 2: Convert to fraction form
    156,949.40/235,390.08 = 57,112.04/x
  3. Step 3: Cross multiply
    156,949.40x = 235,390.08 × 57,112.04
  4. Step 4: Simplify right side
    156,949.40x = 13,443,607,664.56
  5. Step 5: Solve for x
    x = 13,443,607,664.56/156,949.40
  6. Step 6: Final answer
    x = 85,655.68

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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.