Home / 143,906.10-215,470.35-112,802.10

Finding the Fourth Proportional to 143,906.10, 215,470.35 and 112,802.10

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Solution

The fourth proportional to 143,906.10, 215,470.35 and 112,802.10 is: 168,898.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,906.10 : 215,470.35 = 112,802.10 : x
  2. Step 2: Convert to fraction form
    143,906.10/215,470.35 = 112,802.10/x
  3. Step 3: Cross multiply
    143,906.10x = 215,470.35 × 112,802.10
  4. Step 4: Simplify right side
    143,906.10x = 24,305,507,967.74
  5. Step 5: Solve for x
    x = 24,305,507,967.74/143,906.10
  6. Step 6: Final answer
    x = 168,898.39

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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.