Home / 115,260.11-172,890.16-31,020.46

Finding the Fourth Proportional to 115,260.11, 172,890.16 and 31,020.46

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Solution

The fourth proportional to 115,260.11, 172,890.16 and 31,020.46 is: 46,530.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,260.11 : 172,890.16 = 31,020.46 : x
  2. Step 2: Convert to fraction form
    115,260.11/172,890.16 = 31,020.46/x
  3. Step 3: Cross multiply
    115,260.11x = 172,890.16 × 31,020.46
  4. Step 4: Simplify right side
    115,260.11x = 5,363,132,292.67
  5. Step 5: Solve for x
    x = 5,363,132,292.67/115,260.11
  6. Step 6: Final answer
    x = 46,530.69

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Similar ratio
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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.