Home / 185,343.75-255,774.92-100,461.15

Finding the Fourth Proportional to 185,343.75, 255,774.92 and 100,461.15

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Solution

The fourth proportional to 185,343.75, 255,774.92 and 100,461.15 is: 138,636.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,343.75 : 255,774.92 = 100,461.15 : x
  2. Step 2: Convert to fraction form
    185,343.75/255,774.92 = 100,461.15/x
  3. Step 3: Cross multiply
    185,343.75x = 255,774.92 × 100,461.15
  4. Step 4: Simplify right side
    185,343.75x = 25,695,442,102.05
  5. Step 5: Solve for x
    x = 25,695,442,102.05/185,343.75
  6. Step 6: Final answer
    x = 138,636.68

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1.5x scale

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.