Home / 215,404.13-322,625.05-156,103.63

Finding the Fourth Proportional to 215,404.13, 322,625.05 and 156,103.63

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Solution

The fourth proportional to 215,404.13, 322,625.05 and 156,103.63 is: 233,806.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,404.13 : 322,625.05 = 156,103.63 : x
  2. Step 2: Convert to fraction form
    215,404.13/322,625.05 = 156,103.63/x
  3. Step 3: Cross multiply
    215,404.13x = 322,625.05 × 156,103.63
  4. Step 4: Simplify right side
    215,404.13x = 50,362,941,433.93
  5. Step 5: Solve for x
    x = 50,362,941,433.93/215,404.13
  6. Step 6: Final answer
    x = 233,806.76

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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.