Home / 251,515.92-347,132.40-148,166.76

Finding the Fourth Proportional to 251,515.92, 347,132.40 and 148,166.76

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Solution

The fourth proportional to 251,515.92, 347,132.40 and 148,166.76 is: 204,493.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,515.92 : 347,132.40 = 148,166.76 : x
  2. Step 2: Convert to fraction form
    251,515.92/347,132.40 = 148,166.76/x
  3. Step 3: Cross multiply
    251,515.92x = 347,132.40 × 148,166.76
  4. Step 4: Simplify right side
    251,515.92x = 51,433,482,999.02
  5. Step 5: Solve for x
    x = 51,433,482,999.02/251,515.92
  6. Step 6: Final answer
    x = 204,493.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.