Home / 173,001.45-259,472.25-78,209.59

Finding the Fourth Proportional to 173,001.45, 259,472.25 and 78,209.59

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Solution

The fourth proportional to 173,001.45, 259,472.25 and 78,209.59 is: 117,300.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,001.45 : 259,472.25 = 78,209.59 : x
  2. Step 2: Convert to fraction form
    173,001.45/259,472.25 = 78,209.59/x
  3. Step 3: Cross multiply
    173,001.45x = 259,472.25 × 78,209.59
  4. Step 4: Simplify right side
    173,001.45x = 20,293,218,288.88
  5. Step 5: Solve for x
    x = 20,293,218,288.88/173,001.45
  6. Step 6: Final answer
    x = 117,300.86

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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.