Home / 115,067.40-172,601.10-36,205.80

Finding the Fourth Proportional to 115,067.40, 172,601.10 and 36,205.80

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Solution

The fourth proportional to 115,067.40, 172,601.10 and 36,205.80 is: 54,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,067.40 : 172,601.10 = 36,205.80 : x
  2. Step 2: Convert to fraction form
    115,067.40/172,601.10 = 36,205.80/x
  3. Step 3: Cross multiply
    115,067.40x = 172,601.10 × 36,205.80
  4. Step 4: Simplify right side
    115,067.40x = 6,249,160,906.38
  5. Step 5: Solve for x
    x = 6,249,160,906.38/115,067.40
  6. Step 6: Final answer
    x = 54,308.70

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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.