Home / 185,640.90-256,182.87-100,756.14

Finding the Fourth Proportional to 185,640.90, 256,182.87 and 100,756.14

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Solution

The fourth proportional to 185,640.90, 256,182.87 and 100,756.14 is: 139,042.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,640.90 : 256,182.87 = 100,756.14 : x
  2. Step 2: Convert to fraction form
    185,640.90/256,182.87 = 100,756.14/x
  3. Step 3: Cross multiply
    185,640.90x = 256,182.87 × 100,756.14
  4. Step 4: Simplify right side
    185,640.90x = 25,811,997,115.32
  5. Step 5: Solve for x
    x = 25,811,997,115.32/185,640.90
  6. Step 6: Final answer
    x = 139,042.62

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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.