Home / 115,510.05-173,262.65-53,180.55

Finding the Fourth Proportional to 115,510.05, 173,262.65 and 53,180.55

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Solution

The fourth proportional to 115,510.05, 173,262.65 and 53,180.55 is: 79,769.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,510.05 : 173,262.65 = 53,180.55 : x
  2. Step 2: Convert to fraction form
    115,510.05/173,262.65 = 53,180.55/x
  3. Step 3: Cross multiply
    115,510.05x = 173,262.65 × 53,180.55
  4. Step 4: Simplify right side
    115,510.05x = 9,214,202,755.55
  5. Step 5: Solve for x
    x = 9,214,202,755.55/115,510.05
  6. Step 6: Final answer
    x = 79,769.71

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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.