Home / 159,631.16-220,433.40-152,069

Finding the Fourth Proportional to 159,631.16, 220,433.40 and 152,069

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Solution

The fourth proportional to 159,631.16, 220,433.40 and 152,069 is: 209,990.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,631.16 : 220,433.40 = 152,069 : x
  2. Step 2: Convert to fraction form
    159,631.16/220,433.40 = 152,069/x
  3. Step 3: Cross multiply
    159,631.16x = 220,433.40 × 152,069
  4. Step 4: Simplify right side
    159,631.16x = 33,521,086,704.60
  5. Step 5: Solve for x
    x = 33,521,086,704.60/159,631.16
  6. Step 6: Final answer
    x = 209,990.87

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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.