Home / 148,257.89-204,595.57-80,274.95

Finding the Fourth Proportional to 148,257.89, 204,595.57 and 80,274.95

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Solution

The fourth proportional to 148,257.89, 204,595.57 and 80,274.95 is: 110,779.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,257.89 : 204,595.57 = 80,274.95 : x
  2. Step 2: Convert to fraction form
    148,257.89/204,595.57 = 80,274.95/x
  3. Step 3: Cross multiply
    148,257.89x = 204,595.57 × 80,274.95
  4. Step 4: Simplify right side
    148,257.89x = 16,423,898,996.57
  5. Step 5: Solve for x
    x = 16,423,898,996.57/148,257.89
  6. Step 6: Final answer
    x = 110,779.25

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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.