Home / 181,916.16-272,370.42-92,978.16

Finding the Fourth Proportional to 181,916.16, 272,370.42 and 92,978.16

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Solution

The fourth proportional to 181,916.16, 272,370.42 and 92,978.16 is: 139,209.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,916.16 : 272,370.42 = 92,978.16 : x
  2. Step 2: Convert to fraction form
    181,916.16/272,370.42 = 92,978.16/x
  3. Step 3: Cross multiply
    181,916.16x = 272,370.42 × 92,978.16
  4. Step 4: Simplify right side
    181,916.16x = 25,324,500,490.03
  5. Step 5: Solve for x
    x = 25,324,500,490.03/181,916.16
  6. Step 6: Final answer
    x = 139,209.74

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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.