Home / 141,948.53-213,062.90-75,388.47

Finding the Fourth Proportional to 141,948.53, 213,062.90 and 75,388.47

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Solution

The fourth proportional to 141,948.53, 213,062.90 and 75,388.47 is: 113,157.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,948.53 : 213,062.90 = 75,388.47 : x
  2. Step 2: Convert to fraction form
    141,948.53/213,062.90 = 75,388.47/x
  3. Step 3: Cross multiply
    141,948.53x = 213,062.90 × 75,388.47
  4. Step 4: Simplify right side
    141,948.53x = 16,062,486,044.76
  5. Step 5: Solve for x
    x = 16,062,486,044.76/141,948.53
  6. Step 6: Final answer
    x = 113,157.11

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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.