Home / 159,977.52-220,770.64-88,359.36

Finding the Fourth Proportional to 159,977.52, 220,770.64 and 88,359.36

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Solution

The fourth proportional to 159,977.52, 220,770.64 and 88,359.36 is: 121,936.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,977.52 : 220,770.64 = 88,359.36 : x
  2. Step 2: Convert to fraction form
    159,977.52/220,770.64 = 88,359.36/x
  3. Step 3: Cross multiply
    159,977.52x = 220,770.64 × 88,359.36
  4. Step 4: Simplify right side
    159,977.52x = 19,507,152,457.19
  5. Step 5: Solve for x
    x = 19,507,152,457.19/159,977.52
  6. Step 6: Final answer
    x = 121,936.83

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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.