Home / 185,785.18-256,383.33-100,901.63

Finding the Fourth Proportional to 185,785.18, 256,383.33 and 100,901.63

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Solution

The fourth proportional to 185,785.18, 256,383.33 and 100,901.63 is: 139,244.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,785.18 : 256,383.33 = 100,901.63 : x
  2. Step 2: Convert to fraction form
    185,785.18/256,383.33 = 100,901.63/x
  3. Step 3: Cross multiply
    185,785.18x = 256,383.33 × 100,901.63
  4. Step 4: Simplify right side
    185,785.18x = 25,869,496,164.41
  5. Step 5: Solve for x
    x = 25,869,496,164.41/185,785.18
  6. Step 6: Final answer
    x = 139,244.13

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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.