Home / 305,973.03-422,121.83-176,887.76

Finding the Fourth Proportional to 305,973.03, 422,121.83 and 176,887.76

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Solution

The fourth proportional to 305,973.03, 422,121.83 and 176,887.76 is: 244,035.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,973.03 : 422,121.83 = 176,887.76 : x
  2. Step 2: Convert to fraction form
    305,973.03/422,121.83 = 176,887.76/x
  3. Step 3: Cross multiply
    305,973.03x = 422,121.83 × 176,887.76
  4. Step 4: Simplify right side
    305,973.03x = 74,668,181,960.75
  5. Step 5: Solve for x
    x = 74,668,181,960.75/305,973.03
  6. Step 6: Final answer
    x = 244,035.18

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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.