Home / 225,521.18-338,392.92-105,586.24

Finding the Fourth Proportional to 225,521.18, 338,392.92 and 105,586.24

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Solution

The fourth proportional to 225,521.18, 338,392.92 and 105,586.24 is: 158,431.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,521.18 : 338,392.92 = 105,586.24 : x
  2. Step 2: Convert to fraction form
    225,521.18/338,392.92 = 105,586.24/x
  3. Step 3: Cross multiply
    225,521.18x = 338,392.92 × 105,586.24
  4. Step 4: Simplify right side
    225,521.18x = 35,729,636,065.42
  5. Step 5: Solve for x
    x = 35,729,636,065.42/225,521.18
  6. Step 6: Final answer
    x = 158,431.40

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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.