Home / 188,222.50-259,632.95-111,691.17

Finding the Fourth Proportional to 188,222.50, 259,632.95 and 111,691.17

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Solution

The fourth proportional to 188,222.50, 259,632.95 and 111,691.17 is: 154,066.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,222.50 : 259,632.95 = 111,691.17 : x
  2. Step 2: Convert to fraction form
    188,222.50/259,632.95 = 111,691.17/x
  3. Step 3: Cross multiply
    188,222.50x = 259,632.95 × 111,691.17
  4. Step 4: Simplify right side
    188,222.50x = 28,998,707,397.60
  5. Step 5: Solve for x
    x = 28,998,707,397.60/188,222.50
  6. Step 6: Final answer
    x = 154,066.10

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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.