Home / 141,583.29-195,340.95-80,319.38

Finding the Fourth Proportional to 141,583.29, 195,340.95 and 80,319.38

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Solution

The fourth proportional to 141,583.29, 195,340.95 and 80,319.38 is: 110,815.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,583.29 : 195,340.95 = 80,319.38 : x
  2. Step 2: Convert to fraction form
    141,583.29/195,340.95 = 80,319.38/x
  3. Step 3: Cross multiply
    141,583.29x = 195,340.95 × 80,319.38
  4. Step 4: Simplify right side
    141,583.29x = 15,689,663,015.91
  5. Step 5: Solve for x
    x = 15,689,663,015.91/141,583.29
  6. Step 6: Final answer
    x = 110,815.78

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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.