Home / 115,715.40-173,864.70-73,615.65

Finding the Fourth Proportional to 115,715.40, 173,864.70 and 73,615.65

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Solution

The fourth proportional to 115,715.40, 173,864.70 and 73,615.65 is: 110,608.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,715.40 : 173,864.70 = 73,615.65 : x
  2. Step 2: Convert to fraction form
    115,715.40/173,864.70 = 73,615.65/x
  3. Step 3: Cross multiply
    115,715.40x = 173,864.70 × 73,615.65
  4. Step 4: Simplify right side
    115,715.40x = 12,799,162,902.56
  5. Step 5: Solve for x
    x = 12,799,162,902.56/115,715.40
  6. Step 6: Final answer
    x = 110,608.98

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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.