Home / 147,705.71-221,558.56-117,984.38

Finding the Fourth Proportional to 147,705.71, 221,558.56 and 117,984.38

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Solution

The fourth proportional to 147,705.71, 221,558.56 and 117,984.38 is: 176,976.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,705.71 : 221,558.56 = 117,984.38 : x
  2. Step 2: Convert to fraction form
    147,705.71/221,558.56 = 117,984.38/x
  3. Step 3: Cross multiply
    147,705.71x = 221,558.56 × 117,984.38
  4. Step 4: Simplify right side
    147,705.71x = 26,140,447,932.54
  5. Step 5: Solve for x
    x = 26,140,447,932.54/147,705.71
  6. Step 6: Final answer
    x = 176,976.56

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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.