Home / 106,743.12-160,140.92-75,214.71

Finding the Fourth Proportional to 106,743.12, 160,140.92 and 75,214.71

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Solution

The fourth proportional to 106,743.12, 160,140.92 and 75,214.71 is: 112,840.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,743.12 : 160,140.92 = 75,214.71 : x
  2. Step 2: Convert to fraction form
    106,743.12/160,140.92 = 75,214.71/x
  3. Step 3: Cross multiply
    106,743.12x = 160,140.92 × 75,214.71
  4. Step 4: Simplify right side
    106,743.12x = 12,044,952,480.86
  5. Step 5: Solve for x
    x = 12,044,952,480.86/106,743.12
  6. Step 6: Final answer
    x = 112,840.56

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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.