Home / 88,302.10-132,453.15-83,809.30

Finding the Fourth Proportional to 88,302.10, 132,453.15 and 83,809.30

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Solution

The fourth proportional to 88,302.10, 132,453.15 and 83,809.30 is: 125,713.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,302.10 : 132,453.15 = 83,809.30 : x
  2. Step 2: Convert to fraction form
    88,302.10/132,453.15 = 83,809.30/x
  3. Step 3: Cross multiply
    88,302.10x = 132,453.15 × 83,809.30
  4. Step 4: Simplify right side
    88,302.10x = 11,100,805,784.30
  5. Step 5: Solve for x
    x = 11,100,805,784.30/88,302.10
  6. Step 6: Final answer
    x = 125,713.95

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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.