Home / 141,050.92-194,643.72-77,387.32

Finding the Fourth Proportional to 141,050.92, 194,643.72 and 77,387.32

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Solution

The fourth proportional to 141,050.92, 194,643.72 and 77,387.32 is: 106,790.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,050.92 : 194,643.72 = 77,387.32 : x
  2. Step 2: Convert to fraction form
    141,050.92/194,643.72 = 77,387.32/x
  3. Step 3: Cross multiply
    141,050.92x = 194,643.72 × 77,387.32
  4. Step 4: Simplify right side
    141,050.92x = 15,062,955,845.63
  5. Step 5: Solve for x
    x = 15,062,955,845.63/141,050.92
  6. Step 6: Final answer
    x = 106,790.91

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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.