Home / 107,923.70-161,885.55-104,294.90

Finding the Fourth Proportional to 107,923.70, 161,885.55 and 104,294.90

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Solution

The fourth proportional to 107,923.70, 161,885.55 and 104,294.90 is: 156,442.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,923.70 : 161,885.55 = 104,294.90 : x
  2. Step 2: Convert to fraction form
    107,923.70/161,885.55 = 104,294.90/x
  3. Step 3: Cross multiply
    107,923.70x = 161,885.55 × 104,294.90
  4. Step 4: Simplify right side
    107,923.70x = 16,883,837,248.70
  5. Step 5: Solve for x
    x = 16,883,837,248.70/107,923.70
  6. Step 6: Final answer
    x = 156,442.35

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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.