Home / 141,678.70-195,510.28-81,205.98

Finding the Fourth Proportional to 141,678.70, 195,510.28 and 81,205.98

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Solution

The fourth proportional to 141,678.70, 195,510.28 and 81,205.98 is: 112,060.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,678.70 : 195,510.28 = 81,205.98 : x
  2. Step 2: Convert to fraction form
    141,678.70/195,510.28 = 81,205.98/x
  3. Step 3: Cross multiply
    141,678.70x = 195,510.28 × 81,205.98
  4. Step 4: Simplify right side
    141,678.70x = 15,876,603,887.47
  5. Step 5: Solve for x
    x = 15,876,603,887.47/141,678.70
  6. Step 6: Final answer
    x = 112,060.63

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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.