Home / 150,590.20-225,812.64-87,426.20

Finding the Fourth Proportional to 150,590.20, 225,812.64 and 87,426.20

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Solution

The fourth proportional to 150,590.20, 225,812.64 and 87,426.20 is: 131,097.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,590.20 : 225,812.64 = 87,426.20 : x
  2. Step 2: Convert to fraction form
    150,590.20/225,812.64 = 87,426.20/x
  3. Step 3: Cross multiply
    150,590.20x = 225,812.64 × 87,426.20
  4. Step 4: Simplify right side
    150,590.20x = 19,741,941,027.17
  5. Step 5: Solve for x
    x = 19,741,941,027.17/150,590.20
  6. Step 6: Final answer
    x = 131,097.12

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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.