Home / 209,231.16-288,740.88-113,738.04

Finding the Fourth Proportional to 209,231.16, 288,740.88 and 113,738.04

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Solution

The fourth proportional to 209,231.16, 288,740.88 and 113,738.04 is: 156,959.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,231.16 : 288,740.88 = 113,738.04 : x
  2. Step 2: Convert to fraction form
    209,231.16/288,740.88 = 113,738.04/x
  3. Step 3: Cross multiply
    209,231.16x = 288,740.88 × 113,738.04
  4. Step 4: Simplify right side
    209,231.16x = 32,840,821,759.08
  5. Step 5: Solve for x
    x = 32,840,821,759.08/209,231.16
  6. Step 6: Final answer
    x = 156,959.52

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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.