Home / 144,316.73-198,947.58-101,161.76

Finding the Fourth Proportional to 144,316.73, 198,947.58 and 101,161.76

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Solution

The fourth proportional to 144,316.73, 198,947.58 and 101,161.76 is: 139,456.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,316.73 : 198,947.58 = 101,161.76 : x
  2. Step 2: Convert to fraction form
    144,316.73/198,947.58 = 101,161.76/x
  3. Step 3: Cross multiply
    144,316.73x = 198,947.58 × 101,161.76
  4. Step 4: Simplify right side
    144,316.73x = 20,125,885,966.45
  5. Step 5: Solve for x
    x = 20,125,885,966.45/144,316.73
  6. Step 6: Final answer
    x = 139,456.36

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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.