Home / 140,852.88-194,376.96-77,192.16

Finding the Fourth Proportional to 140,852.88, 194,376.96 and 77,192.16

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Solution

The fourth proportional to 140,852.88, 194,376.96 and 77,192.16 is: 106,525.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,852.88 : 194,376.96 = 77,192.16 : x
  2. Step 2: Convert to fraction form
    140,852.88/194,376.96 = 77,192.16/x
  3. Step 3: Cross multiply
    140,852.88x = 194,376.96 × 77,192.16
  4. Step 4: Simplify right side
    140,852.88x = 15,004,377,396.63
  5. Step 5: Solve for x
    x = 15,004,377,396.63/140,852.88
  6. Step 6: Final answer
    x = 106,525.17

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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.