Home / 187,832.61-259,242.29-142,434.05

Finding the Fourth Proportional to 187,832.61, 259,242.29 and 142,434.05

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Solution

The fourth proportional to 187,832.61, 259,242.29 and 142,434.05 is: 196,584.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,832.61 : 259,242.29 = 142,434.05 : x
  2. Step 2: Convert to fraction form
    187,832.61/259,242.29 = 142,434.05/x
  3. Step 3: Cross multiply
    187,832.61x = 259,242.29 × 142,434.05
  4. Step 4: Simplify right side
    187,832.61x = 36,924,927,287.59
  5. Step 5: Solve for x
    x = 36,924,927,287.59/187,832.61
  6. Step 6: Final answer
    x = 196,584.22

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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.