Home / 101,600.24-152,344.80-80,674.70

Finding the Fourth Proportional to 101,600.24, 152,344.80 and 80,674.70

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Solution

The fourth proportional to 101,600.24, 152,344.80 and 80,674.70 is: 120,967.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,600.24 : 152,344.80 = 80,674.70 : x
  2. Step 2: Convert to fraction form
    101,600.24/152,344.80 = 80,674.70/x
  3. Step 3: Cross multiply
    101,600.24x = 152,344.80 × 80,674.70
  4. Step 4: Simplify right side
    101,600.24x = 12,290,370,274.84
  5. Step 5: Solve for x
    x = 12,290,370,274.84/101,600.24
  6. Step 6: Final answer
    x = 120,967.93

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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.