Home / 141,511.04-195,174.68-87,765.92

Finding the Fourth Proportional to 141,511.04, 195,174.68 and 87,765.92

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Solution

The fourth proportional to 141,511.04, 195,174.68 and 87,765.92 is: 121,048.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,511.04 : 195,174.68 = 87,765.92 : x
  2. Step 2: Convert to fraction form
    141,511.04/195,174.68 = 87,765.92/x
  3. Step 3: Cross multiply
    141,511.04x = 195,174.68 × 87,765.92
  4. Step 4: Simplify right side
    141,511.04x = 17,129,685,350.91
  5. Step 5: Solve for x
    x = 17,129,685,350.91/141,511.04
  6. Step 6: Final answer
    x = 121,048.40

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1.5x scale

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.