Home / 148,257.56-204,595.80-80,275.34

Finding the Fourth Proportional to 148,257.56, 204,595.80 and 80,275.34

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Solution

The fourth proportional to 148,257.56, 204,595.80 and 80,275.34 is: 110,780.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,257.56 : 204,595.80 = 80,275.34 : x
  2. Step 2: Convert to fraction form
    148,257.56/204,595.80 = 80,275.34/x
  3. Step 3: Cross multiply
    148,257.56x = 204,595.80 × 80,275.34
  4. Step 4: Simplify right side
    148,257.56x = 16,423,997,919.06
  5. Step 5: Solve for x
    x = 16,423,997,919.06/148,257.56
  6. Step 6: Final answer
    x = 110,780.18

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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.