Home / 107,652.20-161,507.10-76,548.20

Finding the Fourth Proportional to 107,652.20, 161,507.10 and 76,548.20

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Solution

The fourth proportional to 107,652.20, 161,507.10 and 76,548.20 is: 114,842.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,652.20 : 161,507.10 = 76,548.20 : x
  2. Step 2: Convert to fraction form
    107,652.20/161,507.10 = 76,548.20/x
  3. Step 3: Cross multiply
    107,652.20x = 161,507.10 × 76,548.20
  4. Step 4: Simplify right side
    107,652.20x = 12,363,077,792.22
  5. Step 5: Solve for x
    x = 12,363,077,792.22/107,652.20
  6. Step 6: Final answer
    x = 114,842.78

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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.