Home / 150,736.36-225,808.96-87,423.52

Finding the Fourth Proportional to 150,736.36, 225,808.96 and 87,423.52

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Solution

The fourth proportional to 150,736.36, 225,808.96 and 87,423.52 is: 130,963.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,736.36 : 225,808.96 = 87,423.52 : x
  2. Step 2: Convert to fraction form
    150,736.36/225,808.96 = 87,423.52/x
  3. Step 3: Cross multiply
    150,736.36x = 225,808.96 × 87,423.52
  4. Step 4: Simplify right side
    150,736.36x = 19,741,014,130.74
  5. Step 5: Solve for x
    x = 19,741,014,130.74/150,736.36
  6. Step 6: Final answer
    x = 130,963.85

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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.