Home / 217,496.61-326,141.37-89,392.88

Finding the Fourth Proportional to 217,496.61, 326,141.37 and 89,392.88

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Solution

The fourth proportional to 217,496.61, 326,141.37 and 89,392.88 is: 134,046.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,496.61 : 326,141.37 = 89,392.88 : x
  2. Step 2: Convert to fraction form
    217,496.61/326,141.37 = 89,392.88/x
  3. Step 3: Cross multiply
    217,496.61x = 326,141.37 × 89,392.88
  4. Step 4: Simplify right side
    217,496.61x = 29,154,717,166.80
  5. Step 5: Solve for x
    x = 29,154,717,166.80/217,496.61
  6. Step 6: Final answer
    x = 134,046.77

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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.