Home / 129,298.44-193,947.57-40,558.80

Finding the Fourth Proportional to 129,298.44, 193,947.57 and 40,558.80

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Solution

The fourth proportional to 129,298.44, 193,947.57 and 40,558.80 is: 60,838.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,298.44 : 193,947.57 = 40,558.80 : x
  2. Step 2: Convert to fraction form
    129,298.44/193,947.57 = 40,558.80/x
  3. Step 3: Cross multiply
    129,298.44x = 193,947.57 × 40,558.80
  4. Step 4: Simplify right side
    129,298.44x = 7,866,280,702.12
  5. Step 5: Solve for x
    x = 7,866,280,702.12/129,298.44
  6. Step 6: Final answer
    x = 60,838.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.