Home / 141,812.16-195,698.22-77,281.95

Finding the Fourth Proportional to 141,812.16, 195,698.22 and 77,281.95

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Solution

The fourth proportional to 141,812.16, 195,698.22 and 77,281.95 is: 106,647.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,812.16 : 195,698.22 = 77,281.95 : x
  2. Step 2: Convert to fraction form
    141,812.16/195,698.22 = 77,281.95/x
  3. Step 3: Cross multiply
    141,812.16x = 195,698.22 × 77,281.95
  4. Step 4: Simplify right side
    141,812.16x = 15,123,940,053.13
  5. Step 5: Solve for x
    x = 15,123,940,053.13/141,812.16
  6. Step 6: Final answer
    x = 106,647.70

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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.