Home / 151,738.02-209,398.49-83,755.02

Finding the Fourth Proportional to 151,738.02, 209,398.49 and 83,755.02

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Solution

The fourth proportional to 151,738.02, 209,398.49 and 83,755.02 is: 115,581.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,738.02 : 209,398.49 = 83,755.02 : x
  2. Step 2: Convert to fraction form
    151,738.02/209,398.49 = 83,755.02/x
  3. Step 3: Cross multiply
    151,738.02x = 209,398.49 × 83,755.02
  4. Step 4: Simplify right side
    151,738.02x = 17,538,174,717.92
  5. Step 5: Solve for x
    x = 17,538,174,717.92/151,738.02
  6. Step 6: Final answer
    x = 115,581.94

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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.