Home / 279,325.44-385,465.35-152,000.73

Finding the Fourth Proportional to 279,325.44, 385,465.35 and 152,000.73

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Solution

The fourth proportional to 279,325.44, 385,465.35 and 152,000.73 is: 209,758.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,325.44 : 385,465.35 = 152,000.73 : x
  2. Step 2: Convert to fraction form
    279,325.44/385,465.35 = 152,000.73/x
  3. Step 3: Cross multiply
    279,325.44x = 385,465.35 × 152,000.73
  4. Step 4: Simplify right side
    279,325.44x = 58,591,014,589.71
  5. Step 5: Solve for x
    x = 58,591,014,589.71/279,325.44
  6. Step 6: Final answer
    x = 209,758.96

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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.