Home / 141,332.70-195,040.37-76,801.96

Finding the Fourth Proportional to 141,332.70, 195,040.37 and 76,801.96

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Solution

The fourth proportional to 141,332.70, 195,040.37 and 76,801.96 is: 105,987.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,332.70 : 195,040.37 = 76,801.96 : x
  2. Step 2: Convert to fraction form
    141,332.70/195,040.37 = 76,801.96/x
  3. Step 3: Cross multiply
    141,332.70x = 195,040.37 × 76,801.96
  4. Step 4: Simplify right side
    141,332.70x = 14,979,482,695.13
  5. Step 5: Solve for x
    x = 14,979,482,695.13/141,332.70
  6. Step 6: Final answer
    x = 105,987.38

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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.