Home / 141,429.24-195,177.60-84,829.68

Finding the Fourth Proportional to 141,429.24, 195,177.60 and 84,829.68

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Solution

The fourth proportional to 141,429.24, 195,177.60 and 84,829.68 is: 117,068.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,429.24 : 195,177.60 = 84,829.68 : x
  2. Step 2: Convert to fraction form
    141,429.24/195,177.60 = 84,829.68/x
  3. Step 3: Cross multiply
    141,429.24x = 195,177.60 × 84,829.68
  4. Step 4: Simplify right side
    141,429.24x = 16,556,853,351.17
  5. Step 5: Solve for x
    x = 16,556,853,351.17/141,429.24
  6. Step 6: Final answer
    x = 117,068.11

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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.