Home / 187,913.46-259,320.30-103,035.96

Finding the Fourth Proportional to 187,913.46, 259,320.30 and 103,035.96

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Solution

The fourth proportional to 187,913.46, 259,320.30 and 103,035.96 is: 142,189.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,913.46 : 259,320.30 = 103,035.96 : x
  2. Step 2: Convert to fraction form
    187,913.46/259,320.30 = 103,035.96/x
  3. Step 3: Cross multiply
    187,913.46x = 259,320.30 × 103,035.96
  4. Step 4: Simplify right side
    187,913.46x = 26,719,316,057.99
  5. Step 5: Solve for x
    x = 26,719,316,057.99/187,913.46
  6. Step 6: Final answer
    x = 142,189.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.