Home / 88,456.10-132,684.15-86,998.10

Finding the Fourth Proportional to 88,456.10, 132,684.15 and 86,998.10

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Solution

The fourth proportional to 88,456.10, 132,684.15 and 86,998.10 is: 130,497.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,456.10 : 132,684.15 = 86,998.10 : x
  2. Step 2: Convert to fraction form
    88,456.10/132,684.15 = 86,998.10/x
  3. Step 3: Cross multiply
    88,456.10x = 132,684.15 × 86,998.10
  4. Step 4: Simplify right side
    88,456.10x = 11,543,268,950.12
  5. Step 5: Solve for x
    x = 11,543,268,950.12/88,456.10
  6. Step 6: Final answer
    x = 130,497.15

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1.5x scale

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.