Home / 155,223.66-214,371.30-106,951.11

Finding the Fourth Proportional to 155,223.66, 214,371.30 and 106,951.11

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Solution

The fourth proportional to 155,223.66, 214,371.30 and 106,951.11 is: 147,704.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,223.66 : 214,371.30 = 106,951.11 : x
  2. Step 2: Convert to fraction form
    155,223.66/214,371.30 = 106,951.11/x
  3. Step 3: Cross multiply
    155,223.66x = 214,371.30 × 106,951.11
  4. Step 4: Simplify right side
    155,223.66x = 22,927,248,487.14
  5. Step 5: Solve for x
    x = 22,927,248,487.14/155,223.66
  6. Step 6: Final answer
    x = 147,704.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.