Home / 176,044.32-263,692.80-138,425.76

Finding the Fourth Proportional to 176,044.32, 263,692.80 and 138,425.76

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Solution

The fourth proportional to 176,044.32, 263,692.80 and 138,425.76 is: 207,344.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,044.32 : 263,692.80 = 138,425.76 : x
  2. Step 2: Convert to fraction form
    176,044.32/263,692.80 = 138,425.76/x
  3. Step 3: Cross multiply
    176,044.32x = 263,692.80 × 138,425.76
  4. Step 4: Simplify right side
    176,044.32x = 36,501,876,246.53
  5. Step 5: Solve for x
    x = 36,501,876,246.53/176,044.32
  6. Step 6: Final answer
    x = 207,344.81

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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.