Home / 84,192.80-126,179.85-34,214.73

Finding the Fourth Proportional to 84,192.80, 126,179.85 and 34,214.73

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Solution

The fourth proportional to 84,192.80, 126,179.85 and 34,214.73 is: 51,277.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,192.80 : 126,179.85 = 34,214.73 : x
  2. Step 2: Convert to fraction form
    84,192.80/126,179.85 = 34,214.73/x
  3. Step 3: Cross multiply
    84,192.80x = 126,179.85 × 34,214.73
  4. Step 4: Simplify right side
    84,192.80x = 4,317,209,499.19
  5. Step 5: Solve for x
    x = 4,317,209,499.19/84,192.80
  6. Step 6: Final answer
    x = 51,277.66

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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.