Home / 181,742.34-272,656.64-57,083.34

Finding the Fourth Proportional to 181,742.34, 272,656.64 and 57,083.34

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Solution

The fourth proportional to 181,742.34, 272,656.64 and 57,083.34 is: 85,638.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,742.34 : 272,656.64 = 57,083.34 : x
  2. Step 2: Convert to fraction form
    181,742.34/272,656.64 = 57,083.34/x
  3. Step 3: Cross multiply
    181,742.34x = 272,656.64 × 57,083.34
  4. Step 4: Simplify right side
    181,742.34x = 15,564,151,684.38
  5. Step 5: Solve for x
    x = 15,564,151,684.38/181,742.34
  6. Step 6: Final answer
    x = 85,638.56

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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.