Home / 147,910.60-221,736.30-88,683.40

Finding the Fourth Proportional to 147,910.60, 221,736.30 and 88,683.40

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Solution

The fourth proportional to 147,910.60, 221,736.30 and 88,683.40 is: 132,947.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,910.60 : 221,736.30 = 88,683.40 : x
  2. Step 2: Convert to fraction form
    147,910.60/221,736.30 = 88,683.40/x
  3. Step 3: Cross multiply
    147,910.60x = 221,736.30 × 88,683.40
  4. Step 4: Simplify right side
    147,910.60x = 19,664,328,987.42
  5. Step 5: Solve for x
    x = 19,664,328,987.42/147,910.60
  6. Step 6: Final answer
    x = 132,947.40

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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.