Home / 140,193.93-193,466.61-76,531.71

Finding the Fourth Proportional to 140,193.93, 193,466.61 and 76,531.71

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Solution

The fourth proportional to 140,193.93, 193,466.61 and 76,531.71 is: 105,613.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,193.93 : 193,466.61 = 76,531.71 : x
  2. Step 2: Convert to fraction form
    140,193.93/193,466.61 = 76,531.71/x
  3. Step 3: Cross multiply
    140,193.93x = 193,466.61 × 76,531.71
  4. Step 4: Simplify right side
    140,193.93x = 14,806,330,491.20
  5. Step 5: Solve for x
    x = 14,806,330,491.20/140,193.93
  6. Step 6: Final answer
    x = 105,613.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.