Home / 215,707.24-323,351.88-82,484.92

Finding the Fourth Proportional to 215,707.24, 323,351.88 and 82,484.92

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Solution

The fourth proportional to 215,707.24, 323,351.88 and 82,484.92 is: 123,647.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,707.24 : 323,351.88 = 82,484.92 : x
  2. Step 2: Convert to fraction form
    215,707.24/323,351.88 = 82,484.92/x
  3. Step 3: Cross multiply
    215,707.24x = 323,351.88 × 82,484.92
  4. Step 4: Simplify right side
    215,707.24x = 26,671,653,953.65
  5. Step 5: Solve for x
    x = 26,671,653,953.65/215,707.24
  6. Step 6: Final answer
    x = 123,647.47

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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.