Home / 215,860.56-323,789.76-58,076.16

Finding the Fourth Proportional to 215,860.56, 323,789.76 and 58,076.16

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Solution

The fourth proportional to 215,860.56, 323,789.76 and 58,076.16 is: 87,113.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,860.56 : 323,789.76 = 58,076.16 : x
  2. Step 2: Convert to fraction form
    215,860.56/323,789.76 = 58,076.16/x
  3. Step 3: Cross multiply
    215,860.56x = 323,789.76 × 58,076.16
  4. Step 4: Simplify right side
    215,860.56x = 18,804,465,908.12
  5. Step 5: Solve for x
    x = 18,804,465,908.12/215,860.56
  6. Step 6: Final answer
    x = 87,113.95

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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.