Home / 209,196.59-288,693.05-113,703.26

Finding the Fourth Proportional to 209,196.59, 288,693.05 and 113,703.26

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Solution

The fourth proportional to 209,196.59, 288,693.05 and 113,703.26 is: 156,911.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,196.59 : 288,693.05 = 113,703.26 : x
  2. Step 2: Convert to fraction form
    209,196.59/288,693.05 = 113,703.26/x
  3. Step 3: Cross multiply
    209,196.59x = 288,693.05 × 113,703.26
  4. Step 4: Simplify right side
    209,196.59x = 32,825,338,912.36
  5. Step 5: Solve for x
    x = 32,825,338,912.36/209,196.59
  6. Step 6: Final answer
    x = 156,911.45

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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.