Home / 330,417.12-455,972.58-179,514.12

Finding the Fourth Proportional to 330,417.12, 455,972.58 and 179,514.12

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Solution

The fourth proportional to 330,417.12, 455,972.58 and 179,514.12 is: 247,727.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,417.12 : 455,972.58 = 179,514.12 : x
  2. Step 2: Convert to fraction form
    330,417.12/455,972.58 = 179,514.12/x
  3. Step 3: Cross multiply
    330,417.12x = 455,972.58 × 179,514.12
  4. Step 4: Simplify right side
    330,417.12x = 81,853,516,442.83
  5. Step 5: Solve for x
    x = 81,853,516,442.83/330,417.12
  6. Step 6: Final answer
    x = 247,727.83

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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.