Home / 107,437.10-161,156.10-36,360.30

Finding the Fourth Proportional to 107,437.10, 161,156.10 and 36,360.30

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Solution

The fourth proportional to 107,437.10, 161,156.10 and 36,360.30 is: 54,540.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,437.10 : 161,156.10 = 36,360.30 : x
  2. Step 2: Convert to fraction form
    107,437.10/161,156.10 = 36,360.30/x
  3. Step 3: Cross multiply
    107,437.10x = 161,156.10 × 36,360.30
  4. Step 4: Simplify right side
    107,437.10x = 5,859,684,142.83
  5. Step 5: Solve for x
    x = 5,859,684,142.83/107,437.10
  6. Step 6: Final answer
    x = 54,540.60

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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.