Home / 219,882.90-329,435.55-194,999.70

Finding the Fourth Proportional to 219,882.90, 329,435.55 and 194,999.70

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Solution

The fourth proportional to 219,882.90, 329,435.55 and 194,999.70 is: 292,154.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,882.90 : 329,435.55 = 194,999.70 : x
  2. Step 2: Convert to fraction form
    219,882.90/329,435.55 = 194,999.70/x
  3. Step 3: Cross multiply
    219,882.90x = 329,435.55 × 194,999.70
  4. Step 4: Simplify right side
    219,882.90x = 64,239,833,419.34
  5. Step 5: Solve for x
    x = 64,239,833,419.34/219,882.90
  6. Step 6: Final answer
    x = 292,154.75

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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.