Home / 211,036.14-316,579.23-132,156.90

Finding the Fourth Proportional to 211,036.14, 316,579.23 and 132,156.90

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Solution

The fourth proportional to 211,036.14, 316,579.23 and 132,156.90 is: 198,251.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,036.14 : 316,579.23 = 132,156.90 : x
  2. Step 2: Convert to fraction form
    211,036.14/316,579.23 = 132,156.90/x
  3. Step 3: Cross multiply
    211,036.14x = 316,579.23 × 132,156.90
  4. Step 4: Simplify right side
    211,036.14x = 41,838,129,641.19
  5. Step 5: Solve for x
    x = 41,838,129,641.19/211,036.14
  6. Step 6: Final answer
    x = 198,251.02

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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.