Home / 217,400.76-326,195.00-117,631.34

Finding the Fourth Proportional to 217,400.76, 326,195.00 and 117,631.34

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Solution

The fourth proportional to 217,400.76, 326,195.00 and 117,631.34 is: 176,497.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,400.76 : 326,195.00 = 117,631.34 : x
  2. Step 2: Convert to fraction form
    217,400.76/326,195.00 = 117,631.34/x
  3. Step 3: Cross multiply
    217,400.76x = 326,195.00 × 117,631.34
  4. Step 4: Simplify right side
    217,400.76x = 38,370,754,396.52
  5. Step 5: Solve for x
    x = 38,370,754,396.52/217,400.76
  6. Step 6: Final answer
    x = 176,497.79

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1.5x scale

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.