Home / 140,734.84-194,214.70-77,073.08

Finding the Fourth Proportional to 140,734.84, 194,214.70 and 77,073.08

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Solution

The fourth proportional to 140,734.84, 194,214.70 and 77,073.08 is: 106,361.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,734.84 : 194,214.70 = 77,073.08 : x
  2. Step 2: Convert to fraction form
    140,734.84/194,214.70 = 77,073.08/x
  3. Step 3: Cross multiply
    140,734.84x = 194,214.70 × 77,073.08
  4. Step 4: Simplify right side
    140,734.84x = 14,968,725,110.28
  5. Step 5: Solve for x
    x = 14,968,725,110.28/140,734.84
  6. Step 6: Final answer
    x = 106,361.19

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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.