Home / 217,281.76-326,067.24-89,302.98

Finding the Fourth Proportional to 217,281.76, 326,067.24 and 89,302.98

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Solution

The fourth proportional to 217,281.76, 326,067.24 and 89,302.98 is: 134,013.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,281.76 : 326,067.24 = 89,302.98 : x
  2. Step 2: Convert to fraction form
    217,281.76/326,067.24 = 89,302.98/x
  3. Step 3: Cross multiply
    217,281.76x = 326,067.24 × 89,302.98
  4. Step 4: Simplify right side
    217,281.76x = 29,118,776,212.38
  5. Step 5: Solve for x
    x = 29,118,776,212.38/217,281.76
  6. Step 6: Final answer
    x = 134,013.90

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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.