Home / 114,911.04-158,446.49-80,908.66

Finding the Fourth Proportional to 114,911.04, 158,446.49 and 80,908.66

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Solution

The fourth proportional to 114,911.04, 158,446.49 and 80,908.66 is: 111,561.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,911.04 : 158,446.49 = 80,908.66 : x
  2. Step 2: Convert to fraction form
    114,911.04/158,446.49 = 80,908.66/x
  3. Step 3: Cross multiply
    114,911.04x = 158,446.49 × 80,908.66
  4. Step 4: Simplify right side
    114,911.04x = 12,819,693,187.60
  5. Step 5: Solve for x
    x = 12,819,693,187.60/114,911.04
  6. Step 6: Final answer
    x = 111,561.89

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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.