Home / 181,970.27-251,116.42-101,401.19

Finding the Fourth Proportional to 181,970.27, 251,116.42 and 101,401.19

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Solution

The fourth proportional to 181,970.27, 251,116.42 and 101,401.19 is: 139,932.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,970.27 : 251,116.42 = 101,401.19 : x
  2. Step 2: Convert to fraction form
    181,970.27/251,116.42 = 101,401.19/x
  3. Step 3: Cross multiply
    181,970.27x = 251,116.42 × 101,401.19
  4. Step 4: Simplify right side
    181,970.27x = 25,463,503,816.54
  5. Step 5: Solve for x
    x = 25,463,503,816.54/181,970.27
  6. Step 6: Final answer
    x = 139,932.22

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1.5x scale

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.