Home / 217,299.42-326,042.77-117,529.86

Finding the Fourth Proportional to 217,299.42, 326,042.77 and 117,529.86

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Solution

The fourth proportional to 217,299.42, 326,042.77 and 117,529.86 is: 176,345.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,299.42 : 326,042.77 = 117,529.86 : x
  2. Step 2: Convert to fraction form
    217,299.42/326,042.77 = 117,529.86/x
  3. Step 3: Cross multiply
    217,299.42x = 326,042.77 × 117,529.86
  4. Step 4: Simplify right side
    217,299.42x = 38,319,760,818.29
  5. Step 5: Solve for x
    x = 38,319,760,818.29/217,299.42
  6. Step 6: Final answer
    x = 176,345.44

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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.