Home / 218,767.08-328,354.26-112,227.36

Finding the Fourth Proportional to 218,767.08, 328,354.26 and 112,227.36

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Solution

The fourth proportional to 218,767.08, 328,354.26 and 112,227.36 is: 168,445.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,767.08 : 328,354.26 = 112,227.36 : x
  2. Step 2: Convert to fraction form
    218,767.08/328,354.26 = 112,227.36/x
  3. Step 3: Cross multiply
    218,767.08x = 328,354.26 × 112,227.36
  4. Step 4: Simplify right side
    218,767.08x = 36,850,331,744.55
  5. Step 5: Solve for x
    x = 36,850,331,744.55/218,767.08
  6. Step 6: Final answer
    x = 168,445.51

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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.