Home / 185,116.75-255,461.30-100,233.61

Finding the Fourth Proportional to 185,116.75, 255,461.30 and 100,233.61

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Solution

The fourth proportional to 185,116.75, 255,461.30 and 100,233.61 is: 138,322.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,116.75 : 255,461.30 = 100,233.61 : x
  2. Step 2: Convert to fraction form
    185,116.75/255,461.30 = 100,233.61/x
  3. Step 3: Cross multiply
    185,116.75x = 255,461.30 × 100,233.61
  4. Step 4: Simplify right side
    185,116.75x = 25,605,807,813.13
  5. Step 5: Solve for x
    x = 25,605,807,813.13/185,116.75
  6. Step 6: Final answer
    x = 138,322.48

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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.