Home / 330,016.70-455,423.55-179,114.06

Finding the Fourth Proportional to 330,016.70, 455,423.55 and 179,114.06

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Solution

The fourth proportional to 330,016.70, 455,423.55 and 179,114.06 is: 247,177.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,016.70 : 455,423.55 = 179,114.06 : x
  2. Step 2: Convert to fraction form
    330,016.70/455,423.55 = 179,114.06/x
  3. Step 3: Cross multiply
    330,016.70x = 455,423.55 × 179,114.06
  4. Step 4: Simplify right side
    330,016.70x = 81,572,761,060.11
  5. Step 5: Solve for x
    x = 81,572,761,060.11/330,016.70
  6. Step 6: Final answer
    x = 247,177.68

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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.