Home / 159,738.54-220,439.80-88,117.53

Finding the Fourth Proportional to 159,738.54, 220,439.80 and 88,117.53

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Solution

The fourth proportional to 159,738.54, 220,439.80 and 88,117.53 is: 121,602.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,738.54 : 220,439.80 = 88,117.53 : x
  2. Step 2: Convert to fraction form
    159,738.54/220,439.80 = 88,117.53/x
  3. Step 3: Cross multiply
    159,738.54x = 220,439.80 × 88,117.53
  4. Step 4: Simplify right side
    159,738.54x = 19,424,610,689.69
  5. Step 5: Solve for x
    x = 19,424,610,689.69/159,738.54
  6. Step 6: Final answer
    x = 121,602.53

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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.