Home / 181,690.58-272,554.02-69,465.20

Finding the Fourth Proportional to 181,690.58, 272,554.02 and 69,465.20

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Solution

The fourth proportional to 181,690.58, 272,554.02 and 69,465.20 is: 104,204.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,690.58 : 272,554.02 = 69,465.20 : x
  2. Step 2: Convert to fraction form
    181,690.58/272,554.02 = 69,465.20/x
  3. Step 3: Cross multiply
    181,690.58x = 272,554.02 × 69,465.20
  4. Step 4: Simplify right side
    181,690.58x = 18,933,018,147.33
  5. Step 5: Solve for x
    x = 18,933,018,147.33/181,690.58
  6. Step 6: Final answer
    x = 104,204.73

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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.