Home / 141,708.59-195,553.86-77,176.37

Finding the Fourth Proportional to 141,708.59, 195,553.86 and 77,176.37

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Solution

The fourth proportional to 141,708.59, 195,553.86 and 77,176.37 is: 106,501.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,708.59 : 195,553.86 = 77,176.37 : x
  2. Step 2: Convert to fraction form
    141,708.59/195,553.86 = 77,176.37/x
  3. Step 3: Cross multiply
    141,708.59x = 195,553.86 × 77,176.37
  4. Step 4: Simplify right side
    141,708.59x = 15,092,137,054.29
  5. Step 5: Solve for x
    x = 15,092,137,054.29/141,708.59
  6. Step 6: Final answer
    x = 106,501.22

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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.