Home / 147,708.18-221,515.79-47,845.22

Finding the Fourth Proportional to 147,708.18, 221,515.79 and 47,845.22

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Solution

The fourth proportional to 147,708.18, 221,515.79 and 47,845.22 is: 71,752.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,708.18 : 221,515.79 = 47,845.22 : x
  2. Step 2: Convert to fraction form
    147,708.18/221,515.79 = 47,845.22/x
  3. Step 3: Cross multiply
    147,708.18x = 221,515.79 × 47,845.22
  4. Step 4: Simplify right side
    147,708.18x = 10,598,470,359.22
  5. Step 5: Solve for x
    x = 10,598,470,359.22/147,708.18
  6. Step 6: Final answer
    x = 71,752.77

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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.