Home / 217,789.93-326,247.49-99,298.27

Finding the Fourth Proportional to 217,789.93, 326,247.49 and 99,298.27

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Solution

The fourth proportional to 217,789.93, 326,247.49 and 99,298.27 is: 148,747.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,789.93 : 326,247.49 = 99,298.27 : x
  2. Step 2: Convert to fraction form
    217,789.93/326,247.49 = 99,298.27/x
  3. Step 3: Cross multiply
    217,789.93x = 326,247.49 × 99,298.27
  4. Step 4: Simplify right side
    217,789.93x = 32,395,811,348.84
  5. Step 5: Solve for x
    x = 32,395,811,348.84/217,789.93
  6. Step 6: Final answer
    x = 148,747.98

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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.