Home / 140,417.64-193,776.32-76,755.68

Finding the Fourth Proportional to 140,417.64, 193,776.32 and 76,755.68

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Solution

The fourth proportional to 140,417.64, 193,776.32 and 76,755.68 is: 105,922.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,417.64 : 193,776.32 = 76,755.68 : x
  2. Step 2: Convert to fraction form
    140,417.64/193,776.32 = 76,755.68/x
  3. Step 3: Cross multiply
    140,417.64x = 193,776.32 × 76,755.68
  4. Step 4: Simplify right side
    140,417.64x = 14,873,433,209.50
  5. Step 5: Solve for x
    x = 14,873,433,209.50/140,417.64
  6. Step 6: Final answer
    x = 105,922.83

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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.