Home / 178,219.76-245,943.23-106,616.61

Finding the Fourth Proportional to 178,219.76, 245,943.23 and 106,616.61

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Solution

The fourth proportional to 178,219.76, 245,943.23 and 106,616.61 is: 147,130.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,219.76 : 245,943.23 = 106,616.61 : x
  2. Step 2: Convert to fraction form
    178,219.76/245,943.23 = 106,616.61/x
  3. Step 3: Cross multiply
    178,219.76x = 245,943.23 × 106,616.61
  4. Step 4: Simplify right side
    178,219.76x = 26,221,632,901.97
  5. Step 5: Solve for x
    x = 26,221,632,901.97/178,219.76
  6. Step 6: Final answer
    x = 147,130.90

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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.