Home / 185,508.36-256,000.14-103,836.66

Finding the Fourth Proportional to 185,508.36, 256,000.14 and 103,836.66

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Solution

The fourth proportional to 185,508.36, 256,000.14 and 103,836.66 is: 143,293.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,508.36 : 256,000.14 = 103,836.66 : x
  2. Step 2: Convert to fraction form
    185,508.36/256,000.14 = 103,836.66/x
  3. Step 3: Cross multiply
    185,508.36x = 256,000.14 × 103,836.66
  4. Step 4: Simplify right side
    185,508.36x = 26,582,199,497.13
  5. Step 5: Solve for x
    x = 26,582,199,497.13/185,508.36
  6. Step 6: Final answer
    x = 143,293.81

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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.