Home / 141,095.06-194,716.78-77,435.12

Finding the Fourth Proportional to 141,095.06, 194,716.78 and 77,435.12

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Solution

The fourth proportional to 141,095.06, 194,716.78 and 77,435.12 is: 106,863.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,095.06 : 194,716.78 = 77,435.12 : x
  2. Step 2: Convert to fraction form
    141,095.06/194,716.78 = 77,435.12/x
  3. Step 3: Cross multiply
    141,095.06x = 194,716.78 × 77,435.12
  4. Step 4: Simplify right side
    141,095.06x = 15,077,917,225.31
  5. Step 5: Solve for x
    x = 15,077,917,225.31/141,095.06
  6. Step 6: Final answer
    x = 106,863.54

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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.