Home / 289,252.46-433,712.55-154,150.20

Finding the Fourth Proportional to 289,252.46, 433,712.55 and 154,150.20

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Solution

The fourth proportional to 289,252.46, 433,712.55 and 154,150.20 is: 231,136.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,252.46 : 433,712.55 = 154,150.20 : x
  2. Step 2: Convert to fraction form
    289,252.46/433,712.55 = 154,150.20/x
  3. Step 3: Cross multiply
    289,252.46x = 433,712.55 × 154,150.20
  4. Step 4: Simplify right side
    289,252.46x = 66,856,876,325.01
  5. Step 5: Solve for x
    x = 66,856,876,325.01/289,252.46
  6. Step 6: Final answer
    x = 231,136.76

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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.