Home / 219,738.15-329,592.51-99,766.62

Finding the Fourth Proportional to 219,738.15, 329,592.51 and 99,766.62

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Solution

The fourth proportional to 219,738.15, 329,592.51 and 99,766.62 is: 149,643.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,738.15 : 329,592.51 = 99,766.62 : x
  2. Step 2: Convert to fraction form
    219,738.15/329,592.51 = 99,766.62/x
  3. Step 3: Cross multiply
    219,738.15x = 329,592.51 × 99,766.62
  4. Step 4: Simplify right side
    219,738.15x = 32,882,330,700.02
  5. Step 5: Solve for x
    x = 32,882,330,700.02/219,738.15
  6. Step 6: Final answer
    x = 149,643.25

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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.