Home / 88,193.70-132,096.15-78,344.10

Finding the Fourth Proportional to 88,193.70, 132,096.15 and 78,344.10

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Solution

The fourth proportional to 88,193.70, 132,096.15 and 78,344.10 is: 117,343.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,193.70 : 132,096.15 = 78,344.10 : x
  2. Step 2: Convert to fraction form
    88,193.70/132,096.15 = 78,344.10/x
  3. Step 3: Cross multiply
    88,193.70x = 132,096.15 × 78,344.10
  4. Step 4: Simplify right side
    88,193.70x = 10,348,953,985.22
  5. Step 5: Solve for x
    x = 10,348,953,985.22/88,193.70
  6. Step 6: Final answer
    x = 117,343.46

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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.