Home / 209,326.34-288,872.66-113,833.04

Finding the Fourth Proportional to 209,326.34, 288,872.66 and 113,833.04

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Solution

The fourth proportional to 209,326.34, 288,872.66 and 113,833.04 is: 157,090.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,326.34 : 288,872.66 = 113,833.04 : x
  2. Step 2: Convert to fraction form
    209,326.34/288,872.66 = 113,833.04/x
  3. Step 3: Cross multiply
    209,326.34x = 288,872.66 × 113,833.04
  4. Step 4: Simplify right side
    209,326.34x = 32,883,251,047.16
  5. Step 5: Solve for x
    x = 32,883,251,047.16/209,326.34
  6. Step 6: Final answer
    x = 157,090.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.