Home / 221,409.10-332,113.65-132,616.90

Finding the Fourth Proportional to 221,409.10, 332,113.65 and 132,616.90

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Solution

The fourth proportional to 221,409.10, 332,113.65 and 132,616.90 is: 198,925.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,409.10 : 332,113.65 = 132,616.90 : x
  2. Step 2: Convert to fraction form
    221,409.10/332,113.65 = 132,616.90/x
  3. Step 3: Cross multiply
    221,409.10x = 332,113.65 × 132,616.90
  4. Step 4: Simplify right side
    221,409.10x = 44,043,882,710.69
  5. Step 5: Solve for x
    x = 44,043,882,710.69/221,409.10
  6. Step 6: Final answer
    x = 198,925.35

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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.