Home / 131,730.65-181,786.29-73,588.15

Finding the Fourth Proportional to 131,730.65, 181,786.29 and 73,588.15

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Solution

The fourth proportional to 131,730.65, 181,786.29 and 73,588.15 is: 101,550.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,730.65 : 181,786.29 = 73,588.15 : x
  2. Step 2: Convert to fraction form
    131,730.65/181,786.29 = 73,588.15/x
  3. Step 3: Cross multiply
    131,730.65x = 181,786.29 × 73,588.15
  4. Step 4: Simplify right side
    131,730.65x = 13,377,315,867.53
  5. Step 5: Solve for x
    x = 13,377,315,867.53/131,730.65
  6. Step 6: Final answer
    x = 101,550.52

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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.