Home / 89,110.16-132,878.90-88,310.24

Finding the Fourth Proportional to 89,110.16, 132,878.90 and 88,310.24

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Solution

The fourth proportional to 89,110.16, 132,878.90 and 88,310.24 is: 131,686.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,110.16 : 132,878.90 = 88,310.24 : x
  2. Step 2: Convert to fraction form
    89,110.16/132,878.90 = 88,310.24/x
  3. Step 3: Cross multiply
    89,110.16x = 132,878.90 × 88,310.24
  4. Step 4: Simplify right side
    89,110.16x = 11,734,567,549.94
  5. Step 5: Solve for x
    x = 11,734,567,549.94/89,110.16
  6. Step 6: Final answer
    x = 131,686.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.