Home / 221,680.90-332,521.35-155,196.10

Finding the Fourth Proportional to 221,680.90, 332,521.35 and 155,196.10

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Solution

The fourth proportional to 221,680.90, 332,521.35 and 155,196.10 is: 232,794.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,680.90 : 332,521.35 = 155,196.10 : x
  2. Step 2: Convert to fraction form
    221,680.90/332,521.35 = 155,196.10/x
  3. Step 3: Cross multiply
    221,680.90x = 332,521.35 × 155,196.10
  4. Step 4: Simplify right side
    221,680.90x = 51,606,016,686.74
  5. Step 5: Solve for x
    x = 51,606,016,686.74/221,680.90
  6. Step 6: Final answer
    x = 232,794.15

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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.