Home / 217,592.07-326,163.56-91,305.65

Finding the Fourth Proportional to 217,592.07, 326,163.56 and 91,305.65

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Solution

The fourth proportional to 217,592.07, 326,163.56 and 91,305.65 is: 136,864.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,592.07 : 326,163.56 = 91,305.65 : x
  2. Step 2: Convert to fraction form
    217,592.07/326,163.56 = 91,305.65/x
  3. Step 3: Cross multiply
    217,592.07x = 326,163.56 × 91,305.65
  4. Step 4: Simplify right side
    217,592.07x = 29,780,573,764.77
  5. Step 5: Solve for x
    x = 29,780,573,764.77/217,592.07
  6. Step 6: Final answer
    x = 136,864.24

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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.