Home / 154,834.38-232,466.63-80,009.82

Finding the Fourth Proportional to 154,834.38, 232,466.63 and 80,009.82

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Solution

The fourth proportional to 154,834.38, 232,466.63 and 80,009.82 is: 120,125.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,834.38 : 232,466.63 = 80,009.82 : x
  2. Step 2: Convert to fraction form
    154,834.38/232,466.63 = 80,009.82/x
  3. Step 3: Cross multiply
    154,834.38x = 232,466.63 × 80,009.82
  4. Step 4: Simplify right side
    154,834.38x = 18,599,612,822.26
  5. Step 5: Solve for x
    x = 18,599,612,822.26/154,834.38
  6. Step 6: Final answer
    x = 120,125.86

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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.