Home / 155,561.28-233,575.20-89,076.48

Finding the Fourth Proportional to 155,561.28, 233,575.20 and 89,076.48

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Solution

The fourth proportional to 155,561.28, 233,575.20 and 89,076.48 is: 133,748.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,561.28 : 233,575.20 = 89,076.48 : x
  2. Step 2: Convert to fraction form
    155,561.28/233,575.20 = 89,076.48/x
  3. Step 3: Cross multiply
    155,561.28x = 233,575.20 × 89,076.48
  4. Step 4: Simplify right side
    155,561.28x = 20,806,056,631.30
  5. Step 5: Solve for x
    x = 20,806,056,631.30/155,561.28
  6. Step 6: Final answer
    x = 133,748.30

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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.