Home / 217,447.74-326,121.12-59,688.90

Finding the Fourth Proportional to 217,447.74, 326,121.12 and 59,688.90

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Solution

The fourth proportional to 217,447.74, 326,121.12 and 59,688.90 is: 89,519.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,447.74 : 326,121.12 = 59,688.90 : x
  2. Step 2: Convert to fraction form
    217,447.74/326,121.12 = 59,688.90/x
  3. Step 3: Cross multiply
    217,447.74x = 326,121.12 × 59,688.90
  4. Step 4: Simplify right side
    217,447.74x = 19,465,810,919.57
  5. Step 5: Solve for x
    x = 19,465,810,919.57/217,447.74
  6. Step 6: Final answer
    x = 89,519.49

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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.