Home / 159,669.04-220,344.66-88,051.60

Finding the Fourth Proportional to 159,669.04, 220,344.66 and 88,051.60

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Solution

The fourth proportional to 159,669.04, 220,344.66 and 88,051.60 is: 121,511.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,669.04 : 220,344.66 = 88,051.60 : x
  2. Step 2: Convert to fraction form
    159,669.04/220,344.66 = 88,051.60/x
  3. Step 3: Cross multiply
    159,669.04x = 220,344.66 × 88,051.60
  4. Step 4: Simplify right side
    159,669.04x = 19,401,699,864.46
  5. Step 5: Solve for x
    x = 19,401,699,864.46/159,669.04
  6. Step 6: Final answer
    x = 121,511.97

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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.