Home / 136,363.87-204,450.70-60,421.10

Finding the Fourth Proportional to 136,363.87, 204,450.70 and 60,421.10

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Solution

The fourth proportional to 136,363.87, 204,450.70 and 60,421.10 is: 90,589.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,363.87 : 204,450.70 = 60,421.10 : x
  2. Step 2: Convert to fraction form
    136,363.87/204,450.70 = 60,421.10/x
  3. Step 3: Cross multiply
    136,363.87x = 204,450.70 × 60,421.10
  4. Step 4: Simplify right side
    136,363.87x = 12,353,136,279.79
  5. Step 5: Solve for x
    x = 12,353,136,279.79/136,363.87
  6. Step 6: Final answer
    x = 90,589.51

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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.