Home / 176,656.08-243,780.24-100,182.36

Finding the Fourth Proportional to 176,656.08, 243,780.24 and 100,182.36

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Solution

The fourth proportional to 176,656.08, 243,780.24 and 100,182.36 is: 138,248.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,656.08 : 243,780.24 = 100,182.36 : x
  2. Step 2: Convert to fraction form
    176,656.08/243,780.24 = 100,182.36/x
  3. Step 3: Cross multiply
    176,656.08x = 243,780.24 × 100,182.36
  4. Step 4: Simplify right side
    176,656.08x = 24,422,479,764.57
  5. Step 5: Solve for x
    x = 24,422,479,764.57/176,656.08
  6. Step 6: Final answer
    x = 138,248.74

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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.