Home / 159,834.84-220,570.99-88,214.86

Finding the Fourth Proportional to 159,834.84, 220,570.99 and 88,214.86

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Solution

The fourth proportional to 159,834.84, 220,570.99 and 88,214.86 is: 121,735.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,834.84 : 220,570.99 = 88,214.86 : x
  2. Step 2: Convert to fraction form
    159,834.84/220,570.99 = 88,214.86/x
  3. Step 3: Cross multiply
    159,834.84x = 220,570.99 × 88,214.86
  4. Step 4: Simplify right side
    159,834.84x = 19,457,637,817.38
  5. Step 5: Solve for x
    x = 19,457,637,817.38/159,834.84
  6. Step 6: Final answer
    x = 121,735.90

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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.