Home / 159,754.24-220,459.62-88,137.28

Finding the Fourth Proportional to 159,754.24, 220,459.62 and 88,137.28

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Solution

The fourth proportional to 159,754.24, 220,459.62 and 88,137.28 is: 121,628.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,754.24 : 220,459.62 = 88,137.28 : x
  2. Step 2: Convert to fraction form
    159,754.24/220,459.62 = 88,137.28/x
  3. Step 3: Cross multiply
    159,754.24x = 220,459.62 × 88,137.28
  4. Step 4: Simplify right side
    159,754.24x = 19,430,711,256.63
  5. Step 5: Solve for x
    x = 19,430,711,256.63/159,754.24
  6. Step 6: Final answer
    x = 121,628.77

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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.