Home / 102,834.20-154,136.10-58,482.20

Finding the Fourth Proportional to 102,834.20, 154,136.10 and 58,482.20

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Solution

The fourth proportional to 102,834.20, 154,136.10 and 58,482.20 is: 87,657.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,834.20 : 154,136.10 = 58,482.20 : x
  2. Step 2: Convert to fraction form
    102,834.20/154,136.10 = 58,482.20/x
  3. Step 3: Cross multiply
    102,834.20x = 154,136.10 × 58,482.20
  4. Step 4: Simplify right side
    102,834.20x = 9,014,218,227.42
  5. Step 5: Solve for x
    x = 9,014,218,227.42/102,834.20
  6. Step 6: Final answer
    x = 87,657.79

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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.