Home / 140,084.24-193,312.41-76,422.02

Finding the Fourth Proportional to 140,084.24, 193,312.41 and 76,422.02

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Solution

The fourth proportional to 140,084.24, 193,312.41 and 76,422.02 is: 105,460.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,084.24 : 193,312.41 = 76,422.02 : x
  2. Step 2: Convert to fraction form
    140,084.24/193,312.41 = 76,422.02/x
  3. Step 3: Cross multiply
    140,084.24x = 193,312.41 × 76,422.02
  4. Step 4: Simplify right side
    140,084.24x = 14,773,324,863.27
  5. Step 5: Solve for x
    x = 14,773,324,863.27/140,084.24
  6. Step 6: Final answer
    x = 105,460.29

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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.