Home / 113,884.20-170,423.10-99,253.80

Finding the Fourth Proportional to 113,884.20, 170,423.10 and 99,253.80

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Solution

The fourth proportional to 113,884.20, 170,423.10 and 99,253.80 is: 148,529.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,884.20 : 170,423.10 = 99,253.80 : x
  2. Step 2: Convert to fraction form
    113,884.20/170,423.10 = 99,253.80/x
  3. Step 3: Cross multiply
    113,884.20x = 170,423.10 × 99,253.80
  4. Step 4: Simplify right side
    113,884.20x = 16,915,140,282.78
  5. Step 5: Solve for x
    x = 16,915,140,282.78/113,884.20
  6. Step 6: Final answer
    x = 148,529.30

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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.