Home / 141,574.74-195,367.23-77,908.47

Finding the Fourth Proportional to 141,574.74, 195,367.23 and 77,908.47

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Solution

The fourth proportional to 141,574.74, 195,367.23 and 77,908.47 is: 107,510.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,574.74 : 195,367.23 = 77,908.47 : x
  2. Step 2: Convert to fraction form
    141,574.74/195,367.23 = 77,908.47/x
  3. Step 3: Cross multiply
    141,574.74x = 195,367.23 × 77,908.47
  4. Step 4: Simplify right side
    141,574.74x = 15,220,761,977.44
  5. Step 5: Solve for x
    x = 15,220,761,977.44/141,574.74
  6. Step 6: Final answer
    x = 107,510.44

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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.