Home / 140,268.48-210,473.52-61,383.12

Finding the Fourth Proportional to 140,268.48, 210,473.52 and 61,383.12

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Solution

The fourth proportional to 140,268.48, 210,473.52 and 61,383.12 is: 92,105.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,268.48 : 210,473.52 = 61,383.12 : x
  2. Step 2: Convert to fraction form
    140,268.48/210,473.52 = 61,383.12/x
  3. Step 3: Cross multiply
    140,268.48x = 210,473.52 × 61,383.12
  4. Step 4: Simplify right side
    140,268.48x = 12,919,521,334.98
  5. Step 5: Solve for x
    x = 12,919,521,334.98/140,268.48
  6. Step 6: Final answer
    x = 92,105.66

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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.