Home / 185,818.89-256,436.28-109,324.38

Finding the Fourth Proportional to 185,818.89, 256,436.28 and 109,324.38

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Solution

The fourth proportional to 185,818.89, 256,436.28 and 109,324.38 is: 150,871.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,818.89 : 256,436.28 = 109,324.38 : x
  2. Step 2: Convert to fraction form
    185,818.89/256,436.28 = 109,324.38/x
  3. Step 3: Cross multiply
    185,818.89x = 256,436.28 × 109,324.38
  4. Step 4: Simplify right side
    185,818.89x = 28,034,737,320.51
  5. Step 5: Solve for x
    x = 28,034,737,320.51/185,818.89
  6. Step 6: Final answer
    x = 150,871.30

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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.