Home / 147,474.22-221,211.09-117,752.78

Finding the Fourth Proportional to 147,474.22, 221,211.09 and 117,752.78

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Solution

The fourth proportional to 147,474.22, 221,211.09 and 117,752.78 is: 176,628.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,474.22 : 221,211.09 = 117,752.78 : x
  2. Step 2: Convert to fraction form
    147,474.22/221,211.09 = 117,752.78/x
  3. Step 3: Cross multiply
    147,474.22x = 221,211.09 × 117,752.78
  4. Step 4: Simplify right side
    147,474.22x = 26,048,220,814.33
  5. Step 5: Solve for x
    x = 26,048,220,814.33/147,474.22
  6. Step 6: Final answer
    x = 176,628.98

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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.