Home / 211,247.73-316,658.25-132,417.27

Finding the Fourth Proportional to 211,247.73, 316,658.25 and 132,417.27

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Solution

The fourth proportional to 211,247.73, 316,658.25 and 132,417.27 is: 198,492.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,247.73 : 316,658.25 = 132,417.27 : x
  2. Step 2: Convert to fraction form
    211,247.73/316,658.25 = 132,417.27/x
  3. Step 3: Cross multiply
    211,247.73x = 316,658.25 × 132,417.27
  4. Step 4: Simplify right side
    211,247.73x = 41,931,020,987.98
  5. Step 5: Solve for x
    x = 41,931,020,987.98/211,247.73
  6. Step 6: Final answer
    x = 198,492.17

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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.