Home / 250,301.12-375,492.60-81,772.52

Finding the Fourth Proportional to 250,301.12, 375,492.60 and 81,772.52

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Solution

The fourth proportional to 250,301.12, 375,492.60 and 81,772.52 is: 122,672.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,301.12 : 375,492.60 = 81,772.52 : x
  2. Step 2: Convert to fraction form
    250,301.12/375,492.60 = 81,772.52/x
  3. Step 3: Cross multiply
    250,301.12x = 375,492.60 × 81,772.52
  4. Step 4: Simplify right side
    250,301.12x = 30,704,976,143.35
  5. Step 5: Solve for x
    x = 30,704,976,143.35/250,301.12
  6. Step 6: Final answer
    x = 122,672.15

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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.