Home / 185,200.52-255,576.48-100,317.92

Finding the Fourth Proportional to 185,200.52, 255,576.48 and 100,317.92

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Solution

The fourth proportional to 185,200.52, 255,576.48 and 100,317.92 is: 138,438.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,200.52 : 255,576.48 = 100,317.92 : x
  2. Step 2: Convert to fraction form
    185,200.52/255,576.48 = 100,317.92/x
  3. Step 3: Cross multiply
    185,200.52x = 255,576.48 × 100,317.92
  4. Step 4: Simplify right side
    185,200.52x = 25,638,900,874.52
  5. Step 5: Solve for x
    x = 25,638,900,874.52/185,200.52
  6. Step 6: Final answer
    x = 138,438.60

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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.