Home / 147,773.10-221,331.60-121,529.10

Finding the Fourth Proportional to 147,773.10, 221,331.60 and 121,529.10

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Solution

The fourth proportional to 147,773.10, 221,331.60 and 121,529.10 is: 182,023.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,773.10 : 221,331.60 = 121,529.10 : x
  2. Step 2: Convert to fraction form
    147,773.10/221,331.60 = 121,529.10/x
  3. Step 3: Cross multiply
    147,773.10x = 221,331.60 × 121,529.10
  4. Step 4: Simplify right side
    147,773.10x = 26,898,230,149.56
  5. Step 5: Solve for x
    x = 26,898,230,149.56/147,773.10
  6. Step 6: Final answer
    x = 182,023.86

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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.