Home / 143,426.88-197,721.60-94,947.57

Finding the Fourth Proportional to 143,426.88, 197,721.60 and 94,947.57

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Solution

The fourth proportional to 143,426.88, 197,721.60 and 94,947.57 is: 130,890.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,426.88 : 197,721.60 = 94,947.57 : x
  2. Step 2: Convert to fraction form
    143,426.88/197,721.60 = 94,947.57/x
  3. Step 3: Cross multiply
    143,426.88x = 197,721.60 × 94,947.57
  4. Step 4: Simplify right side
    143,426.88x = 18,773,185,456.51
  5. Step 5: Solve for x
    x = 18,773,185,456.51/143,426.88
  6. Step 6: Final answer
    x = 130,890.29

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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.