Home / 188,156.34-259,646.22-111,678.66

Finding the Fourth Proportional to 188,156.34, 259,646.22 and 111,678.66

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Solution

The fourth proportional to 188,156.34, 259,646.22 and 111,678.66 is: 154,110.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,156.34 : 259,646.22 = 111,678.66 : x
  2. Step 2: Convert to fraction form
    188,156.34/259,646.22 = 111,678.66/x
  3. Step 3: Cross multiply
    188,156.34x = 259,646.22 × 111,678.66
  4. Step 4: Simplify right side
    188,156.34x = 28,996,941,923.67
  5. Step 5: Solve for x
    x = 28,996,941,923.67/188,156.34
  6. Step 6: Final answer
    x = 154,110.89

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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.