Home / 155,428.75-233,149.20-48,885.40

Finding the Fourth Proportional to 155,428.75, 233,149.20 and 48,885.40

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Solution

The fourth proportional to 155,428.75, 233,149.20 and 48,885.40 is: 73,330.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,428.75 : 233,149.20 = 48,885.40 : x
  2. Step 2: Convert to fraction form
    155,428.75/233,149.20 = 48,885.40/x
  3. Step 3: Cross multiply
    155,428.75x = 233,149.20 × 48,885.40
  4. Step 4: Simplify right side
    155,428.75x = 11,397,591,901.68
  5. Step 5: Solve for x
    x = 11,397,591,901.68/155,428.75
  6. Step 6: Final answer
    x = 73,330.01

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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.