Home / 185,609.50-256,141.29-100,726.58

Finding the Fourth Proportional to 185,609.50, 256,141.29 and 100,726.58

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Solution

The fourth proportional to 185,609.50, 256,141.29 and 100,726.58 is: 139,002.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,609.50 : 256,141.29 = 100,726.58 : x
  2. Step 2: Convert to fraction form
    185,609.50/256,141.29 = 100,726.58/x
  3. Step 3: Cross multiply
    185,609.50x = 256,141.29 × 100,726.58
  4. Step 4: Simplify right side
    185,609.50x = 25,800,236,138.49
  5. Step 5: Solve for x
    x = 25,800,236,138.49/185,609.50
  6. Step 6: Final answer
    x = 139,002.78

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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.