Home / 141,612.38-195,356.76-87,959.78

Finding the Fourth Proportional to 141,612.38, 195,356.76 and 87,959.78

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Solution

The fourth proportional to 141,612.38, 195,356.76 and 87,959.78 is: 121,342.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,612.38 : 195,356.76 = 87,959.78 : x
  2. Step 2: Convert to fraction form
    141,612.38/195,356.76 = 87,959.78/x
  3. Step 3: Cross multiply
    141,612.38x = 195,356.76 × 87,959.78
  4. Step 4: Simplify right side
    141,612.38x = 17,183,537,631.11
  5. Step 5: Solve for x
    x = 17,183,537,631.11/141,612.38
  6. Step 6: Final answer
    x = 121,342.06

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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.