Home / 185,748.19-256,335.69-100,865.25

Finding the Fourth Proportional to 185,748.19, 256,335.69 and 100,865.25

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Solution

The fourth proportional to 185,748.19, 256,335.69 and 100,865.25 is: 139,195.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,748.19 : 256,335.69 = 100,865.25 : x
  2. Step 2: Convert to fraction form
    185,748.19/256,335.69 = 100,865.25/x
  3. Step 3: Cross multiply
    185,748.19x = 256,335.69 × 100,865.25
  4. Step 4: Simplify right side
    185,748.19x = 25,855,363,834.02
  5. Step 5: Solve for x
    x = 25,855,363,834.02/185,748.19
  6. Step 6: Final answer
    x = 139,195.78

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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.