Home / 382,018.18-527,199.31-229,081.27

Finding the Fourth Proportional to 382,018.18, 527,199.31 and 229,081.27

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Solution

The fourth proportional to 382,018.18, 527,199.31 and 229,081.27 is: 316,140.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,018.18 : 527,199.31 = 229,081.27 : x
  2. Step 2: Convert to fraction form
    382,018.18/527,199.31 = 229,081.27/x
  3. Step 3: Cross multiply
    382,018.18x = 527,199.31 × 229,081.27
  4. Step 4: Simplify right side
    382,018.18x = 120,771,487,477.92
  5. Step 5: Solve for x
    x = 120,771,487,477.92/382,018.18
  6. Step 6: Final answer
    x = 316,140.68

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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.