Home / 185,820.92-256,434.21-100,937.96

Finding the Fourth Proportional to 185,820.92, 256,434.21 and 100,937.96

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Solution

The fourth proportional to 185,820.92, 256,434.21 and 100,937.96 is: 139,295.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,820.92 : 256,434.21 = 100,937.96 : x
  2. Step 2: Convert to fraction form
    185,820.92/256,434.21 = 100,937.96/x
  3. Step 3: Cross multiply
    185,820.92x = 256,434.21 × 100,937.96
  4. Step 4: Simplify right side
    185,820.92x = 25,883,946,031.61
  5. Step 5: Solve for x
    x = 25,883,946,031.61/185,820.92
  6. Step 6: Final answer
    x = 139,295.11

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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.