Home / 112,077.80-167,969.10-82,356.20

Finding the Fourth Proportional to 112,077.80, 167,969.10 and 82,356.20

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Solution

The fourth proportional to 112,077.80, 167,969.10 and 82,356.20 is: 123,425.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,077.80 : 167,969.10 = 82,356.20 : x
  2. Step 2: Convert to fraction form
    112,077.80/167,969.10 = 82,356.20/x
  3. Step 3: Cross multiply
    112,077.80x = 167,969.10 × 82,356.20
  4. Step 4: Simplify right side
    112,077.80x = 13,833,296,793.42
  5. Step 5: Solve for x
    x = 13,833,296,793.42/112,077.80
  6. Step 6: Final answer
    x = 123,425.84

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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.