Home / 181,960.39-272,991.22-79,386.69

Finding the Fourth Proportional to 181,960.39, 272,991.22 and 79,386.69

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Solution

The fourth proportional to 181,960.39, 272,991.22 and 79,386.69 is: 119,102.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,960.39 : 272,991.22 = 79,386.69 : x
  2. Step 2: Convert to fraction form
    181,960.39/272,991.22 = 79,386.69/x
  3. Step 3: Cross multiply
    181,960.39x = 272,991.22 × 79,386.69
  4. Step 4: Simplify right side
    181,960.39x = 21,671,870,034.80
  5. Step 5: Solve for x
    x = 21,671,870,034.80/181,960.39
  6. Step 6: Final answer
    x = 119,102.13

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1.5x scale

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.