Home / 209,244.39-288,486.22-135,525.66

Finding the Fourth Proportional to 209,244.39, 288,486.22 and 135,525.66

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Solution

The fourth proportional to 209,244.39, 288,486.22 and 135,525.66 is: 186,849.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,244.39 : 288,486.22 = 135,525.66 : x
  2. Step 2: Convert to fraction form
    209,244.39/288,486.22 = 135,525.66/x
  3. Step 3: Cross multiply
    209,244.39x = 288,486.22 × 135,525.66
  4. Step 4: Simplify right side
    209,244.39x = 39,097,283,923.97
  5. Step 5: Solve for x
    x = 39,097,283,923.97/209,244.39
  6. Step 6: Final answer
    x = 186,849.86

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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.