Home / 217,272.20-326,054.10-98,882.60

Finding the Fourth Proportional to 217,272.20, 326,054.10 and 98,882.60

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Solution

The fourth proportional to 217,272.20, 326,054.10 and 98,882.60 is: 148,390.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,272.20 : 326,054.10 = 98,882.60 : x
  2. Step 2: Convert to fraction form
    217,272.20/326,054.10 = 98,882.60/x
  3. Step 3: Cross multiply
    217,272.20x = 326,054.10 × 98,882.60
  4. Step 4: Simplify right side
    217,272.20x = 32,241,077,148.66
  5. Step 5: Solve for x
    x = 32,241,077,148.66/217,272.20
  6. Step 6: Final answer
    x = 148,390.25

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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.