Home / 115,700.36-173,270.37-80,061.77

Finding the Fourth Proportional to 115,700.36, 173,270.37 and 80,061.77

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Solution

The fourth proportional to 115,700.36, 173,270.37 and 80,061.77 is: 119,898.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,700.36 : 173,270.37 = 80,061.77 : x
  2. Step 2: Convert to fraction form
    115,700.36/173,270.37 = 80,061.77/x
  3. Step 3: Cross multiply
    115,700.36x = 173,270.37 × 80,061.77
  4. Step 4: Simplify right side
    115,700.36x = 13,872,332,510.75
  5. Step 5: Solve for x
    x = 13,872,332,510.75/115,700.36
  6. Step 6: Final answer
    x = 119,898.78

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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.