Home / 147,400.92-221,112.92-52,651.58

Finding the Fourth Proportional to 147,400.92, 221,112.92 and 52,651.58

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Solution

The fourth proportional to 147,400.92, 221,112.92 and 52,651.58 is: 78,981.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,400.92 : 221,112.92 = 52,651.58 : x
  2. Step 2: Convert to fraction form
    147,400.92/221,112.92 = 52,651.58/x
  3. Step 3: Cross multiply
    147,400.92x = 221,112.92 × 52,651.58
  4. Step 4: Simplify right side
    147,400.92x = 11,641,943,622.48
  5. Step 5: Solve for x
    x = 11,641,943,622.48/147,400.92
  6. Step 6: Final answer
    x = 78,981.49

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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.