Home / 262,407.40-393,611.10-242,132.20

Finding the Fourth Proportional to 262,407.40, 393,611.10 and 242,132.20

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Solution

The fourth proportional to 262,407.40, 393,611.10 and 242,132.20 is: 363,198.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,407.40 : 393,611.10 = 242,132.20 : x
  2. Step 2: Convert to fraction form
    262,407.40/393,611.10 = 242,132.20/x
  3. Step 3: Cross multiply
    262,407.40x = 393,611.10 × 242,132.20
  4. Step 4: Simplify right side
    262,407.40x = 95,305,921,587.42
  5. Step 5: Solve for x
    x = 95,305,921,587.42/262,407.40
  6. Step 6: Final answer
    x = 363,198.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.