Home / 147,905.30-221,566.35-88,564.70

Finding the Fourth Proportional to 147,905.30, 221,566.35 and 88,564.70

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Solution

The fourth proportional to 147,905.30, 221,566.35 and 88,564.70 is: 132,672.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,905.30 : 221,566.35 = 88,564.70 : x
  2. Step 2: Convert to fraction form
    147,905.30/221,566.35 = 88,564.70/x
  3. Step 3: Cross multiply
    147,905.30x = 221,566.35 × 88,564.70
  4. Step 4: Simplify right side
    147,905.30x = 19,622,957,317.85
  5. Step 5: Solve for x
    x = 19,622,957,317.85/147,905.30
  6. Step 6: Final answer
    x = 132,672.44

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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.