Home / 140,515.70-193,913.19-76,852.13

Finding the Fourth Proportional to 140,515.70, 193,913.19 and 76,852.13

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Solution

The fourth proportional to 140,515.70, 193,913.19 and 76,852.13 is: 106,056.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,515.70 : 193,913.19 = 76,852.13 : x
  2. Step 2: Convert to fraction form
    140,515.70/193,913.19 = 76,852.13/x
  3. Step 3: Cross multiply
    140,515.70x = 193,913.19 × 76,852.13
  4. Step 4: Simplify right side
    140,515.70x = 14,902,640,717.03
  5. Step 5: Solve for x
    x = 14,902,640,717.03/140,515.70
  6. Step 6: Final answer
    x = 106,056.77

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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.