Home / 151,058.66-208,471.14-99,983.39

Finding the Fourth Proportional to 151,058.66, 208,471.14 and 99,983.39

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Solution

The fourth proportional to 151,058.66, 208,471.14 and 99,983.39 is: 137,983.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,058.66 : 208,471.14 = 99,983.39 : x
  2. Step 2: Convert to fraction form
    151,058.66/208,471.14 = 99,983.39/x
  3. Step 3: Cross multiply
    151,058.66x = 208,471.14 × 99,983.39
  4. Step 4: Simplify right side
    151,058.66x = 20,843,651,294.36
  5. Step 5: Solve for x
    x = 20,843,651,294.36/151,058.66
  6. Step 6: Final answer
    x = 137,983.82

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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.