Home / 185,328.28-255,754.29-100,446.76

Finding the Fourth Proportional to 185,328.28, 255,754.29 and 100,446.76

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Solution

The fourth proportional to 185,328.28, 255,754.29 and 100,446.76 is: 138,617.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,328.28 : 255,754.29 = 100,446.76 : x
  2. Step 2: Convert to fraction form
    185,328.28/255,754.29 = 100,446.76/x
  3. Step 3: Cross multiply
    185,328.28x = 255,754.29 × 100,446.76
  4. Step 4: Simplify right side
    185,328.28x = 25,689,689,786.60
  5. Step 5: Solve for x
    x = 25,689,689,786.60/185,328.28
  6. Step 6: Final answer
    x = 138,617.21

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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.