Home / 151,083.90-226,431.45-91,856.70

Finding the Fourth Proportional to 151,083.90, 226,431.45 and 91,856.70

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Solution

The fourth proportional to 151,083.90, 226,431.45 and 91,856.70 is: 137,666.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,083.90 : 226,431.45 = 91,856.70 : x
  2. Step 2: Convert to fraction form
    151,083.90/226,431.45 = 91,856.70/x
  3. Step 3: Cross multiply
    151,083.90x = 226,431.45 × 91,856.70
  4. Step 4: Simplify right side
    151,083.90x = 20,799,245,773.22
  5. Step 5: Solve for x
    x = 20,799,245,773.22/151,083.90
  6. Step 6: Final answer
    x = 137,666.86

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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.