Home / 211,423.86-316,920.87-132,593.04

Finding the Fourth Proportional to 211,423.86, 316,920.87 and 132,593.04

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Solution

The fourth proportional to 211,423.86, 316,920.87 and 132,593.04 is: 198,754.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,423.86 : 316,920.87 = 132,593.04 : x
  2. Step 2: Convert to fraction form
    211,423.86/316,920.87 = 132,593.04/x
  3. Step 3: Cross multiply
    211,423.86x = 316,920.87 × 132,593.04
  4. Step 4: Simplify right side
    211,423.86x = 42,021,501,592.74
  5. Step 5: Solve for x
    x = 42,021,501,592.74/211,423.86
  6. Step 6: Final answer
    x = 198,754.77

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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.