Home / 215,841.19-323,577.14-82,816.91

Finding the Fourth Proportional to 215,841.19, 323,577.14 and 82,816.91

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Solution

The fourth proportional to 215,841.19, 323,577.14 and 82,816.91 is: 124,154.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,841.19 : 323,577.14 = 82,816.91 : x
  2. Step 2: Convert to fraction form
    215,841.19/323,577.14 = 82,816.91/x
  3. Step 3: Cross multiply
    215,841.19x = 323,577.14 × 82,816.91
  4. Step 4: Simplify right side
    215,841.19x = 26,797,658,467.35
  5. Step 5: Solve for x
    x = 26,797,658,467.35/215,841.19
  6. Step 6: Final answer
    x = 124,154.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.