Home / 217,584.41-326,506.01-117,742.59

Finding the Fourth Proportional to 217,584.41, 326,506.01 and 117,742.59

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Solution

The fourth proportional to 217,584.41, 326,506.01 and 117,742.59 is: 176,683.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,584.41 : 326,506.01 = 117,742.59 : x
  2. Step 2: Convert to fraction form
    217,584.41/326,506.01 = 117,742.59/x
  3. Step 3: Cross multiply
    217,584.41x = 326,506.01 × 117,742.59
  4. Step 4: Simplify right side
    217,584.41x = 38,443,663,267.97
  5. Step 5: Solve for x
    x = 38,443,663,267.97/217,584.41
  6. Step 6: Final answer
    x = 176,683.91

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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.