Home / 289,162.25-433,442.66-111,791.08

Finding the Fourth Proportional to 289,162.25, 433,442.66 and 111,791.08

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Solution

The fourth proportional to 289,162.25, 433,442.66 and 111,791.08 is: 167,570.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,162.25 : 433,442.66 = 111,791.08 : x
  2. Step 2: Convert to fraction form
    289,162.25/433,442.66 = 111,791.08/x
  3. Step 3: Cross multiply
    289,162.25x = 433,442.66 × 111,791.08
  4. Step 4: Simplify right side
    289,162.25x = 48,455,021,436.91
  5. Step 5: Solve for x
    x = 48,455,021,436.91/289,162.25
  6. Step 6: Final answer
    x = 167,570.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.