Home / 140,715.98-194,186.16-77,053.82

Finding the Fourth Proportional to 140,715.98, 194,186.16 and 77,053.82

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Solution

The fourth proportional to 140,715.98, 194,186.16 and 77,053.82 is: 106,333.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,715.98 : 194,186.16 = 77,053.82 : x
  2. Step 2: Convert to fraction form
    140,715.98/194,186.16 = 77,053.82/x
  3. Step 3: Cross multiply
    140,715.98x = 194,186.16 × 77,053.82
  4. Step 4: Simplify right side
    140,715.98x = 14,962,785,419.13
  5. Step 5: Solve for x
    x = 14,962,785,419.13/140,715.98
  6. Step 6: Final answer
    x = 106,333.24

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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.