Home / 141,042.06-194,639.36-77,382.14

Finding the Fourth Proportional to 141,042.06, 194,639.36 and 77,382.14

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Solution

The fourth proportional to 141,042.06, 194,639.36 and 77,382.14 is: 106,788.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,042.06 : 194,639.36 = 77,382.14 : x
  2. Step 2: Convert to fraction form
    141,042.06/194,639.36 = 77,382.14/x
  3. Step 3: Cross multiply
    141,042.06x = 194,639.36 × 77,382.14
  4. Step 4: Simplify right side
    141,042.06x = 15,061,608,844.92
  5. Step 5: Solve for x
    x = 15,061,608,844.92/141,042.06
  6. Step 6: Final answer
    x = 106,788.07

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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.