Home / 131,794.94-181,876.19-71,364.30

Finding the Fourth Proportional to 131,794.94, 181,876.19 and 71,364.30

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Solution

The fourth proportional to 131,794.94, 181,876.19 and 71,364.30 is: 98,482.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,794.94 : 181,876.19 = 71,364.30 : x
  2. Step 2: Convert to fraction form
    131,794.94/181,876.19 = 71,364.30/x
  3. Step 3: Cross multiply
    131,794.94x = 181,876.19 × 71,364.30
  4. Step 4: Simplify right side
    131,794.94x = 12,979,466,629.20
  5. Step 5: Solve for x
    x = 12,979,466,629.20/131,794.94
  6. Step 6: Final answer
    x = 98,482.29

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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.