Home / 185,554.32-256,065.48-100,671.18

Finding the Fourth Proportional to 185,554.32, 256,065.48 and 100,671.18

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Solution

The fourth proportional to 185,554.32, 256,065.48 and 100,671.18 is: 138,926.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,554.32 : 256,065.48 = 100,671.18 : x
  2. Step 2: Convert to fraction form
    185,554.32/256,065.48 = 100,671.18/x
  3. Step 3: Cross multiply
    185,554.32x = 256,065.48 × 100,671.18
  4. Step 4: Simplify right side
    185,554.32x = 25,778,414,028.87
  5. Step 5: Solve for x
    x = 25,778,414,028.87/185,554.32
  6. Step 6: Final answer
    x = 138,926.51

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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.