Home / 156,380.49-234,534.69-93,218.40

Finding the Fourth Proportional to 156,380.49, 234,534.69 and 93,218.40

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Solution

The fourth proportional to 156,380.49, 234,534.69 and 93,218.40 is: 139,806.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,380.49 : 234,534.69 = 93,218.40 : x
  2. Step 2: Convert to fraction form
    156,380.49/234,534.69 = 93,218.40/x
  3. Step 3: Cross multiply
    156,380.49x = 234,534.69 × 93,218.40
  4. Step 4: Simplify right side
    156,380.49x = 21,862,948,546.30
  5. Step 5: Solve for x
    x = 21,862,948,546.30/156,380.49
  6. Step 6: Final answer
    x = 139,806.11

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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.