Home / 181,740.66-272,519.44-105,863.64

Finding the Fourth Proportional to 181,740.66, 272,519.44 and 105,863.64

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Solution

The fourth proportional to 181,740.66, 272,519.44 and 105,863.64 is: 158,742.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,740.66 : 272,519.44 = 105,863.64 : x
  2. Step 2: Convert to fraction form
    181,740.66/272,519.44 = 105,863.64/x
  3. Step 3: Cross multiply
    181,740.66x = 272,519.44 × 105,863.64
  4. Step 4: Simplify right side
    181,740.66x = 28,849,899,889.16
  5. Step 5: Solve for x
    x = 28,849,899,889.16/181,740.66
  6. Step 6: Final answer
    x = 158,742.13

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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.