Home / 159,869.37-220,603.99-88,244.76

Finding the Fourth Proportional to 159,869.37, 220,603.99 and 88,244.76

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Solution

The fourth proportional to 159,869.37, 220,603.99 and 88,244.76 is: 121,769.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,869.37 : 220,603.99 = 88,244.76 : x
  2. Step 2: Convert to fraction form
    159,869.37/220,603.99 = 88,244.76/x
  3. Step 3: Cross multiply
    159,869.37x = 220,603.99 × 88,244.76
  4. Step 4: Simplify right side
    159,869.37x = 19,467,146,152.59
  5. Step 5: Solve for x
    x = 19,467,146,152.59/159,869.37
  6. Step 6: Final answer
    x = 121,769.08

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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.