Home / 185,818.42-256,423.98-100,935.28

Finding the Fourth Proportional to 185,818.42, 256,423.98 and 100,935.28

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Solution

The fourth proportional to 185,818.42, 256,423.98 and 100,935.28 is: 139,287.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,818.42 : 256,423.98 = 100,935.28 : x
  2. Step 2: Convert to fraction form
    185,818.42/256,423.98 = 100,935.28/x
  3. Step 3: Cross multiply
    185,818.42x = 256,423.98 × 100,935.28
  4. Step 4: Simplify right side
    185,818.42x = 25,882,226,220.01
  5. Step 5: Solve for x
    x = 25,882,226,220.01/185,818.42
  6. Step 6: Final answer
    x = 139,287.73

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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.