Home / 433,246.20-649,869.30-133,700.10

Finding the Fourth Proportional to 433,246.20, 649,869.30 and 133,700.10

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Solution

The fourth proportional to 433,246.20, 649,869.30 and 133,700.10 is: 200,550.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,246.20 : 649,869.30 = 133,700.10 : x
  2. Step 2: Convert to fraction form
    433,246.20/649,869.30 = 133,700.10/x
  3. Step 3: Cross multiply
    433,246.20x = 649,869.30 × 133,700.10
  4. Step 4: Simplify right side
    433,246.20x = 86,887,590,396.93
  5. Step 5: Solve for x
    x = 86,887,590,396.93/433,246.20
  6. Step 6: Final answer
    x = 200,550.15

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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.