Home / 211,711.62-292,151.10-125,674.20

Finding the Fourth Proportional to 211,711.62, 292,151.10 and 125,674.20

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Solution

The fourth proportional to 211,711.62, 292,151.10 and 125,674.20 is: 173,423.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,711.62 : 292,151.10 = 125,674.20 : x
  2. Step 2: Convert to fraction form
    211,711.62/292,151.10 = 125,674.20/x
  3. Step 3: Cross multiply
    211,711.62x = 292,151.10 × 125,674.20
  4. Step 4: Simplify right side
    211,711.62x = 36,715,855,771.62
  5. Step 5: Solve for x
    x = 36,715,855,771.62/211,711.62
  6. Step 6: Final answer
    x = 173,423.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.