Home / 185,326.12-255,750.03-100,443.18

Finding the Fourth Proportional to 185,326.12, 255,750.03 and 100,443.18

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Solution

The fourth proportional to 185,326.12, 255,750.03 and 100,443.18 is: 138,611.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,326.12 : 255,750.03 = 100,443.18 : x
  2. Step 2: Convert to fraction form
    185,326.12/255,750.03 = 100,443.18/x
  3. Step 3: Cross multiply
    185,326.12x = 255,750.03 × 100,443.18
  4. Step 4: Simplify right side
    185,326.12x = 25,688,346,298.30
  5. Step 5: Solve for x
    x = 25,688,346,298.30/185,326.12
  6. Step 6: Final answer
    x = 138,611.58

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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.