Home / 209,126.84-288,589.97-117,240.04

Finding the Fourth Proportional to 209,126.84, 288,589.97 and 117,240.04

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Solution

The fourth proportional to 209,126.84, 288,589.97 and 117,240.04 is: 161,788.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,126.84 : 288,589.97 = 117,240.04 : x
  2. Step 2: Convert to fraction form
    209,126.84/288,589.97 = 117,240.04/x
  3. Step 3: Cross multiply
    209,126.84x = 288,589.97 × 117,240.04
  4. Step 4: Simplify right side
    209,126.84x = 33,834,299,626.40
  5. Step 5: Solve for x
    x = 33,834,299,626.40/209,126.84
  6. Step 6: Final answer
    x = 161,788.41

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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.