Home / 108,882.36-150,252.30-61,137.72

Finding the Fourth Proportional to 108,882.36, 150,252.30 and 61,137.72

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Solution

The fourth proportional to 108,882.36, 150,252.30 and 61,137.72 is: 84,367.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,882.36 : 150,252.30 = 61,137.72 : x
  2. Step 2: Convert to fraction form
    108,882.36/150,252.30 = 61,137.72/x
  3. Step 3: Cross multiply
    108,882.36x = 150,252.30 × 61,137.72
  4. Step 4: Simplify right side
    108,882.36x = 9,186,083,046.76
  5. Step 5: Solve for x
    x = 9,186,083,046.76/108,882.36
  6. Step 6: Final answer
    x = 84,367.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.