Home / 120,834.44-181,151.86-53,318.40

Finding the Fourth Proportional to 120,834.44, 181,151.86 and 53,318.40

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Solution

The fourth proportional to 120,834.44, 181,151.86 and 53,318.40 is: 79,933.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,834.44 : 181,151.86 = 53,318.40 : x
  2. Step 2: Convert to fraction form
    120,834.44/181,151.86 = 53,318.40/x
  3. Step 3: Cross multiply
    120,834.44x = 181,151.86 × 53,318.40
  4. Step 4: Simplify right side
    120,834.44x = 9,658,727,332.22
  5. Step 5: Solve for x
    x = 9,658,727,332.22/120,834.44
  6. Step 6: Final answer
    x = 79,933.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.