Home / 147,504.24-203,497.90-90,817.20

Finding the Fourth Proportional to 147,504.24, 203,497.90 and 90,817.20

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Solution

The fourth proportional to 147,504.24, 203,497.90 and 90,817.20 is: 125,292.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,504.24 : 203,497.90 = 90,817.20 : x
  2. Step 2: Convert to fraction form
    147,504.24/203,497.90 = 90,817.20/x
  3. Step 3: Cross multiply
    147,504.24x = 203,497.90 × 90,817.20
  4. Step 4: Simplify right side
    147,504.24x = 18,481,109,483.88
  5. Step 5: Solve for x
    x = 18,481,109,483.88/147,504.24
  6. Step 6: Final answer
    x = 125,292.06

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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.