Home / 147,342.83-221,015.82-117,947.53

Finding the Fourth Proportional to 147,342.83, 221,015.82 and 117,947.53

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Solution

The fourth proportional to 147,342.83, 221,015.82 and 117,947.53 is: 176,922.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,342.83 : 221,015.82 = 117,947.53 : x
  2. Step 2: Convert to fraction form
    147,342.83/221,015.82 = 117,947.53/x
  3. Step 3: Cross multiply
    147,342.83x = 221,015.82 × 117,947.53
  4. Step 4: Simplify right side
    147,342.83x = 26,068,268,954.85
  5. Step 5: Solve for x
    x = 26,068,268,954.85/147,342.83
  6. Step 6: Final answer
    x = 176,922.55

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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.