Home / 144,938.76-199,914.31-140,061.75

Finding the Fourth Proportional to 144,938.76, 199,914.31 and 140,061.75

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Solution

The fourth proportional to 144,938.76, 199,914.31 and 140,061.75 is: 193,187.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,938.76 : 199,914.31 = 140,061.75 : x
  2. Step 2: Convert to fraction form
    144,938.76/199,914.31 = 140,061.75/x
  3. Step 3: Cross multiply
    144,938.76x = 199,914.31 × 140,061.75
  4. Step 4: Simplify right side
    144,938.76x = 28,000,348,108.64
  5. Step 5: Solve for x
    x = 28,000,348,108.64/144,938.76
  6. Step 6: Final answer
    x = 193,187.44

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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.