Home / 217,581.41-326,501.51-117,739.59

Finding the Fourth Proportional to 217,581.41, 326,501.51 and 117,739.59

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Solution

The fourth proportional to 217,581.41, 326,501.51 and 117,739.59 is: 176,679.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,581.41 : 326,501.51 = 117,739.59 : x
  2. Step 2: Convert to fraction form
    217,581.41/326,501.51 = 117,739.59/x
  3. Step 3: Cross multiply
    217,581.41x = 326,501.51 × 117,739.59
  4. Step 4: Simplify right side
    217,581.41x = 38,442,153,333.08
  5. Step 5: Solve for x
    x = 38,442,153,333.08/217,581.41
  6. Step 6: Final answer
    x = 176,679.41

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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.