Home / 147,622.50-221,433.75-36,814.50

Finding the Fourth Proportional to 147,622.50, 221,433.75 and 36,814.50

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Solution

The fourth proportional to 147,622.50, 221,433.75 and 36,814.50 is: 55,221.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,622.50 : 221,433.75 = 36,814.50 : x
  2. Step 2: Convert to fraction form
    147,622.50/221,433.75 = 36,814.50/x
  3. Step 3: Cross multiply
    147,622.50x = 221,433.75 × 36,814.50
  4. Step 4: Simplify right side
    147,622.50x = 8,151,972,789.38
  5. Step 5: Solve for x
    x = 8,151,972,789.38/147,622.50
  6. Step 6: Final answer
    x = 55,221.75

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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.