Home / 277,974.20-417,166.10-111,881.40

Finding the Fourth Proportional to 277,974.20, 417,166.10 and 111,881.40

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Solution

The fourth proportional to 277,974.20, 417,166.10 and 111,881.40 is: 167,904.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,974.20 : 417,166.10 = 111,881.40 : x
  2. Step 2: Convert to fraction form
    277,974.20/417,166.10 = 111,881.40/x
  3. Step 3: Cross multiply
    277,974.20x = 417,166.10 × 111,881.40
  4. Step 4: Simplify right side
    277,974.20x = 46,673,127,300.54
  5. Step 5: Solve for x
    x = 46,673,127,300.54/277,974.20
  6. Step 6: Final answer
    x = 167,904.53

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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.