Home / 217,624.18-326,528.54-105,388.02

Finding the Fourth Proportional to 217,624.18, 326,528.54 and 105,388.02

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Solution

The fourth proportional to 217,624.18, 326,528.54 and 105,388.02 is: 158,126.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,624.18 : 326,528.54 = 105,388.02 : x
  2. Step 2: Convert to fraction form
    217,624.18/326,528.54 = 105,388.02/x
  3. Step 3: Cross multiply
    217,624.18x = 326,528.54 × 105,388.02
  4. Step 4: Simplify right side
    217,624.18x = 34,412,196,304.09
  5. Step 5: Solve for x
    x = 34,412,196,304.09/217,624.18
  6. Step 6: Final answer
    x = 158,126.71

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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.