Home / 185,630.22-256,169.88-100,747.31

Finding the Fourth Proportional to 185,630.22, 256,169.88 and 100,747.31

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Solution

The fourth proportional to 185,630.22, 256,169.88 and 100,747.31 is: 139,031.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,630.22 : 256,169.88 = 100,747.31 : x
  2. Step 2: Convert to fraction form
    185,630.22/256,169.88 = 100,747.31/x
  3. Step 3: Cross multiply
    185,630.22x = 256,169.88 × 100,747.31
  4. Step 4: Simplify right side
    185,630.22x = 25,808,425,032.17
  5. Step 5: Solve for x
    x = 25,808,425,032.17/185,630.22
  6. Step 6: Final answer
    x = 139,031.38

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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.