Home / 209,288.73-288,816.96-113,795.49

Finding the Fourth Proportional to 209,288.73, 288,816.96 and 113,795.49

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Solution

The fourth proportional to 209,288.73, 288,816.96 and 113,795.49 is: 157,036.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,288.73 : 288,816.96 = 113,795.49 : x
  2. Step 2: Convert to fraction form
    209,288.73/288,816.96 = 113,795.49/x
  3. Step 3: Cross multiply
    209,288.73x = 288,816.96 × 113,795.49
  4. Step 4: Simplify right side
    209,288.73x = 32,866,067,483.51
  5. Step 5: Solve for x
    x = 32,866,067,483.51/209,288.73
  6. Step 6: Final answer
    x = 157,036.97

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1.5x scale

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.