Home / 487,827.90-731,754.69-132,849.18

Finding the Fourth Proportional to 487,827.90, 731,754.69 and 132,849.18

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Solution

The fourth proportional to 487,827.90, 731,754.69 and 132,849.18 is: 199,277.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,827.90 : 731,754.69 = 132,849.18 : x
  2. Step 2: Convert to fraction form
    487,827.90/731,754.69 = 132,849.18/x
  3. Step 3: Cross multiply
    487,827.90x = 731,754.69 × 132,849.18
  4. Step 4: Simplify right side
    487,827.90x = 97,213,010,527.65
  5. Step 5: Solve for x
    x = 97,213,010,527.65/487,827.90
  6. Step 6: Final answer
    x = 199,277.27

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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.