Home / 115,288.22-172,925.33-43,226.90

Finding the Fourth Proportional to 115,288.22, 172,925.33 and 43,226.90

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Solution

The fourth proportional to 115,288.22, 172,925.33 and 43,226.90 is: 64,837.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,288.22 : 172,925.33 = 43,226.90 : x
  2. Step 2: Convert to fraction form
    115,288.22/172,925.33 = 43,226.90/x
  3. Step 3: Cross multiply
    115,288.22x = 172,925.33 × 43,226.90
  4. Step 4: Simplify right side
    115,288.22x = 7,475,024,866.62
  5. Step 5: Solve for x
    x = 7,475,024,866.62/115,288.22
  6. Step 6: Final answer
    x = 64,837.72

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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.