Home / 166,781.32-230,137.12-132,875.80

Finding the Fourth Proportional to 166,781.32, 230,137.12 and 132,875.80

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Solution

The fourth proportional to 166,781.32, 230,137.12 and 132,875.80 is: 183,351.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,781.32 : 230,137.12 = 132,875.80 : x
  2. Step 2: Convert to fraction form
    166,781.32/230,137.12 = 132,875.80/x
  3. Step 3: Cross multiply
    166,781.32x = 230,137.12 × 132,875.80
  4. Step 4: Simplify right side
    166,781.32x = 30,579,653,929.70
  5. Step 5: Solve for x
    x = 30,579,653,929.70/166,781.32
  6. Step 6: Final answer
    x = 183,351.79

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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.