Home / 140,154.41-193,410.38-76,492.66

Finding the Fourth Proportional to 140,154.41, 193,410.38 and 76,492.66

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Solution

The fourth proportional to 140,154.41, 193,410.38 and 76,492.66 is: 105,558.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,154.41 : 193,410.38 = 76,492.66 : x
  2. Step 2: Convert to fraction form
    140,154.41/193,410.38 = 76,492.66/x
  3. Step 3: Cross multiply
    140,154.41x = 193,410.38 × 76,492.66
  4. Step 4: Simplify right side
    140,154.41x = 14,794,473,470.76
  5. Step 5: Solve for x
    x = 14,794,473,470.76/140,154.41
  6. Step 6: Final answer
    x = 105,558.39

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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.