Home / 141,830.66-195,720.55-77,298.53

Finding the Fourth Proportional to 141,830.66, 195,720.55 and 77,298.53

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Solution

The fourth proportional to 141,830.66, 195,720.55 and 77,298.53 is: 106,668.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,830.66 : 195,720.55 = 77,298.53 : x
  2. Step 2: Convert to fraction form
    141,830.66/195,720.55 = 77,298.53/x
  3. Step 3: Cross multiply
    141,830.66x = 195,720.55 × 77,298.53
  4. Step 4: Simplify right side
    141,830.66x = 15,128,910,316.49
  5. Step 5: Solve for x
    x = 15,128,910,316.49/141,830.66
  6. Step 6: Final answer
    x = 106,668.83

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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.