Home / 121,150.08-181,802.88-58,786.56

Finding the Fourth Proportional to 121,150.08, 181,802.88 and 58,786.56

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Solution

The fourth proportional to 121,150.08, 181,802.88 and 58,786.56 is: 88,217.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,150.08 : 181,802.88 = 58,786.56 : x
  2. Step 2: Convert to fraction form
    121,150.08/181,802.88 = 58,786.56/x
  3. Step 3: Cross multiply
    121,150.08x = 181,802.88 × 58,786.56
  4. Step 4: Simplify right side
    121,150.08x = 10,687,565,913.29
  5. Step 5: Solve for x
    x = 10,687,565,913.29/121,150.08
  6. Step 6: Final answer
    x = 88,217.57

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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.