Home / 185,769.18-256,363.35-100,887.90

Finding the Fourth Proportional to 185,769.18, 256,363.35 and 100,887.90

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Solution

The fourth proportional to 185,769.18, 256,363.35 and 100,887.90 is: 139,226.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,769.18 : 256,363.35 = 100,887.90 : x
  2. Step 2: Convert to fraction form
    185,769.18/256,363.35 = 100,887.90/x
  3. Step 3: Cross multiply
    185,769.18x = 256,363.35 × 100,887.90
  4. Step 4: Simplify right side
    185,769.18x = 25,863,960,018.47
  5. Step 5: Solve for x
    x = 25,863,960,018.47/185,769.18
  6. Step 6: Final answer
    x = 139,226.32

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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.