Home / 107,849.20-161,773.80-104,220.40

Finding the Fourth Proportional to 107,849.20, 161,773.80 and 104,220.40

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Solution

The fourth proportional to 107,849.20, 161,773.80 and 104,220.40 is: 156,330.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,849.20 : 161,773.80 = 104,220.40 : x
  2. Step 2: Convert to fraction form
    107,849.20/161,773.80 = 104,220.40/x
  3. Step 3: Cross multiply
    107,849.20x = 161,773.80 × 104,220.40
  4. Step 4: Simplify right side
    107,849.20x = 16,860,130,145.52
  5. Step 5: Solve for x
    x = 16,860,130,145.52/107,849.20
  6. Step 6: Final answer
    x = 156,330.60

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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.