Home / 155,985.18-234,002.25-67,263.90

Finding the Fourth Proportional to 155,985.18, 234,002.25 and 67,263.90

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Solution

The fourth proportional to 155,985.18, 234,002.25 and 67,263.90 is: 100,906.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,985.18 : 234,002.25 = 67,263.90 : x
  2. Step 2: Convert to fraction form
    155,985.18/234,002.25 = 67,263.90/x
  3. Step 3: Cross multiply
    155,985.18x = 234,002.25 × 67,263.90
  4. Step 4: Simplify right side
    155,985.18x = 15,739,903,943.78
  5. Step 5: Solve for x
    x = 15,739,903,943.78/155,985.18
  6. Step 6: Final answer
    x = 100,906.41

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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.