Home / 115,601.40-173,106.18-80,013.51

Finding the Fourth Proportional to 115,601.40, 173,106.18 and 80,013.51

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Solution

The fourth proportional to 115,601.40, 173,106.18 and 80,013.51 is: 119,815.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,601.40 : 173,106.18 = 80,013.51 : x
  2. Step 2: Convert to fraction form
    115,601.40/173,106.18 = 80,013.51/x
  3. Step 3: Cross multiply
    115,601.40x = 173,106.18 × 80,013.51
  4. Step 4: Simplify right side
    115,601.40x = 13,850,833,064.49
  5. Step 5: Solve for x
    x = 13,850,833,064.49/115,601.40
  6. Step 6: Final answer
    x = 119,815.44

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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.