Home / 217,601.14-326,139.23-112,362.74

Finding the Fourth Proportional to 217,601.14, 326,139.23 and 112,362.74

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Solution

The fourth proportional to 217,601.14, 326,139.23 and 112,362.74 is: 168,408.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,601.14 : 326,139.23 = 112,362.74 : x
  2. Step 2: Convert to fraction form
    217,601.14/326,139.23 = 112,362.74/x
  3. Step 3: Cross multiply
    217,601.14x = 326,139.23 × 112,362.74
  4. Step 4: Simplify right side
    217,601.14x = 36,645,897,504.29
  5. Step 5: Solve for x
    x = 36,645,897,504.29/217,601.14
  6. Step 6: Final answer
    x = 168,408.57

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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.