Home / 140,426.27-193,787.26-76,764.22

Finding the Fourth Proportional to 140,426.27, 193,787.26 and 76,764.22

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Solution

The fourth proportional to 140,426.27, 193,787.26 and 76,764.22 is: 105,934.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,426.27 : 193,787.26 = 76,764.22 : x
  2. Step 2: Convert to fraction form
    140,426.27/193,787.26 = 76,764.22/x
  3. Step 3: Cross multiply
    140,426.27x = 193,787.26 × 76,764.22
  4. Step 4: Simplify right side
    140,426.27x = 14,875,927,859.84
  5. Step 5: Solve for x
    x = 14,875,927,859.84/140,426.27
  6. Step 6: Final answer
    x = 105,934.08

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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.