Home / 151,761.70-227,788.35-76,966.30

Finding the Fourth Proportional to 151,761.70, 227,788.35 and 76,966.30

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Solution

The fourth proportional to 151,761.70, 227,788.35 and 76,966.30 is: 115,523.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,761.70 : 227,788.35 = 76,966.30 : x
  2. Step 2: Convert to fraction form
    151,761.70/227,788.35 = 76,966.30/x
  3. Step 3: Cross multiply
    151,761.70x = 227,788.35 × 76,966.30
  4. Step 4: Simplify right side
    151,761.70x = 17,532,026,482.61
  5. Step 5: Solve for x
    x = 17,532,026,482.61/151,761.70
  6. Step 6: Final answer
    x = 115,523.39

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1.5x scale

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.