Home / 181,400.41-272,103.33-69,086.83

Finding the Fourth Proportional to 181,400.41, 272,103.33 and 69,086.83

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Solution

The fourth proportional to 181,400.41, 272,103.33 and 69,086.83 is: 103,631.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,400.41 : 272,103.33 = 69,086.83 : x
  2. Step 2: Convert to fraction form
    181,400.41/272,103.33 = 69,086.83/x
  3. Step 3: Cross multiply
    181,400.41x = 272,103.33 × 69,086.83
  4. Step 4: Simplify right side
    181,400.41x = 18,798,756,502.14
  5. Step 5: Solve for x
    x = 18,798,756,502.14/181,400.41
  6. Step 6: Final answer
    x = 103,631.28

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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.