Home / 217,580.32-326,468.37-117,623.47

Finding the Fourth Proportional to 217,580.32, 326,468.37 and 117,623.47

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Solution

The fourth proportional to 217,580.32, 326,468.37 and 117,623.47 is: 176,488.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,580.32 : 326,468.37 = 117,623.47 : x
  2. Step 2: Convert to fraction form
    217,580.32/326,468.37 = 117,623.47/x
  3. Step 3: Cross multiply
    217,580.32x = 326,468.37 × 117,623.47
  4. Step 4: Simplify right side
    217,580.32x = 38,400,342,524.64
  5. Step 5: Solve for x
    x = 38,400,342,524.64/217,580.32
  6. Step 6: Final answer
    x = 176,488.12

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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.