Home / 217,605.60-326,104.72-117,550.08

Finding the Fourth Proportional to 217,605.60, 326,104.72 and 117,550.08

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Solution

The fourth proportional to 217,605.60, 326,104.72 and 117,550.08 is: 176,161.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,605.60 : 326,104.72 = 117,550.08 : x
  2. Step 2: Convert to fraction form
    217,605.60/326,104.72 = 117,550.08/x
  3. Step 3: Cross multiply
    217,605.60x = 326,104.72 × 117,550.08
  4. Step 4: Simplify right side
    217,605.60x = 38,333,635,924.38
  5. Step 5: Solve for x
    x = 38,333,635,924.38/217,605.60
  6. Step 6: Final answer
    x = 176,161.07

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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.