Home / 147,650.48-203,755.89-83,988.13

Finding the Fourth Proportional to 147,650.48, 203,755.89 and 83,988.13

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Solution

The fourth proportional to 147,650.48, 203,755.89 and 83,988.13 is: 115,902.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,650.48 : 203,755.89 = 83,988.13 : x
  2. Step 2: Convert to fraction form
    147,650.48/203,755.89 = 83,988.13/x
  3. Step 3: Cross multiply
    147,650.48x = 203,755.89 × 83,988.13
  4. Step 4: Simplify right side
    147,650.48x = 17,113,076,177.59
  5. Step 5: Solve for x
    x = 17,113,076,177.59/147,650.48
  6. Step 6: Final answer
    x = 115,902.61

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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.