Home / 217,711.20-326,566.80-164,567.10

Finding the Fourth Proportional to 217,711.20, 326,566.80 and 164,567.10

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Solution

The fourth proportional to 217,711.20, 326,566.80 and 164,567.10 is: 246,850.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,711.20 : 326,566.80 = 164,567.10 : x
  2. Step 2: Convert to fraction form
    217,711.20/326,566.80 = 164,567.10/x
  3. Step 3: Cross multiply
    217,711.20x = 326,566.80 × 164,567.10
  4. Step 4: Simplify right side
    217,711.20x = 53,742,151,232.28
  5. Step 5: Solve for x
    x = 53,742,151,232.28/217,711.20
  6. Step 6: Final answer
    x = 246,850.65

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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.