Home / 187,025.32-280,607.10-68,773.96

Finding the Fourth Proportional to 187,025.32, 280,607.10 and 68,773.96

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Solution

The fourth proportional to 187,025.32, 280,607.10 and 68,773.96 is: 103,186.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,025.32 : 280,607.10 = 68,773.96 : x
  2. Step 2: Convert to fraction form
    187,025.32/280,607.10 = 68,773.96/x
  3. Step 3: Cross multiply
    187,025.32x = 280,607.10 × 68,773.96
  4. Step 4: Simplify right side
    187,025.32x = 19,298,461,471.12
  5. Step 5: Solve for x
    x = 19,298,461,471.12/187,025.32
  6. Step 6: Final answer
    x = 103,186.36

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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.