Home / 215,591.20-323,362.02-57,807.25

Finding the Fourth Proportional to 215,591.20, 323,362.02 and 57,807.25

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Solution

The fourth proportional to 215,591.20, 323,362.02 and 57,807.25 is: 86,704.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,591.20 : 323,362.02 = 57,807.25 : x
  2. Step 2: Convert to fraction form
    215,591.20/323,362.02 = 57,807.25/x
  3. Step 3: Cross multiply
    215,591.20x = 323,362.02 × 57,807.25
  4. Step 4: Simplify right side
    215,591.20x = 18,692,667,513.83
  5. Step 5: Solve for x
    x = 18,692,667,513.83/215,591.20
  6. Step 6: Final answer
    x = 86,704.23

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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.