Home / 141,058.36-194,665.98-77,398.84

Finding the Fourth Proportional to 141,058.36, 194,665.98 and 77,398.84

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Solution

The fourth proportional to 141,058.36, 194,665.98 and 77,398.84 is: 106,813.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,058.36 : 194,665.98 = 77,398.84 : x
  2. Step 2: Convert to fraction form
    141,058.36/194,665.98 = 77,398.84/x
  3. Step 3: Cross multiply
    141,058.36x = 194,665.98 × 77,398.84
  4. Step 4: Simplify right side
    141,058.36x = 15,066,921,039.46
  5. Step 5: Solve for x
    x = 15,066,921,039.46/141,058.36
  6. Step 6: Final answer
    x = 106,813.39

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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.