Home / 142,930.36-214,395.54-49,385.08

Finding the Fourth Proportional to 142,930.36, 214,395.54 and 49,385.08

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Solution

The fourth proportional to 142,930.36, 214,395.54 and 49,385.08 is: 74,077.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,930.36 : 214,395.54 = 49,385.08 : x
  2. Step 2: Convert to fraction form
    142,930.36/214,395.54 = 49,385.08/x
  3. Step 3: Cross multiply
    142,930.36x = 214,395.54 × 49,385.08
  4. Step 4: Simplify right side
    142,930.36x = 10,587,940,894.54
  5. Step 5: Solve for x
    x = 10,587,940,894.54/142,930.36
  6. Step 6: Final answer
    x = 74,077.62

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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.