Home / 158,926.33-219,264.78-90,006.34

Finding the Fourth Proportional to 158,926.33, 219,264.78 and 90,006.34

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Solution

The fourth proportional to 158,926.33, 219,264.78 and 90,006.34 is: 124,178.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,926.33 : 219,264.78 = 90,006.34 : x
  2. Step 2: Convert to fraction form
    158,926.33/219,264.78 = 90,006.34/x
  3. Step 3: Cross multiply
    158,926.33x = 219,264.78 × 90,006.34
  4. Step 4: Simplify right side
    158,926.33x = 19,735,220,338.71
  5. Step 5: Solve for x
    x = 19,735,220,338.71/158,926.33
  6. Step 6: Final answer
    x = 124,178.42

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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.