Home / 106,534.49-159,595.67-89,231.95

Finding the Fourth Proportional to 106,534.49, 159,595.67 and 89,231.95

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Solution

The fourth proportional to 106,534.49, 159,595.67 and 89,231.95 is: 133,675.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,534.49 : 159,595.67 = 89,231.95 : x
  2. Step 2: Convert to fraction form
    106,534.49/159,595.67 = 89,231.95/x
  3. Step 3: Cross multiply
    106,534.49x = 159,595.67 × 89,231.95
  4. Step 4: Simplify right side
    106,534.49x = 14,241,032,845.66
  5. Step 5: Solve for x
    x = 14,241,032,845.66/106,534.49
  6. Step 6: Final answer
    x = 133,675.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.