Home / 112,154.02-168,343.26-80,601.10

Finding the Fourth Proportional to 112,154.02, 168,343.26 and 80,601.10

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Solution

The fourth proportional to 112,154.02, 168,343.26 and 80,601.10 is: 120,982.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,154.02 : 168,343.26 = 80,601.10 : x
  2. Step 2: Convert to fraction form
    112,154.02/168,343.26 = 80,601.10/x
  3. Step 3: Cross multiply
    112,154.02x = 168,343.26 × 80,601.10
  4. Step 4: Simplify right side
    112,154.02x = 13,568,651,933.59
  5. Step 5: Solve for x
    x = 13,568,651,933.59/112,154.02
  6. Step 6: Final answer
    x = 120,982.31

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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.