Home / 141,379.26-195,104.76-76,848.47

Finding the Fourth Proportional to 141,379.26, 195,104.76 and 76,848.47

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Solution

The fourth proportional to 141,379.26, 195,104.76 and 76,848.47 is: 106,051.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,379.26 : 195,104.76 = 76,848.47 : x
  2. Step 2: Convert to fraction form
    141,379.26/195,104.76 = 76,848.47/x
  3. Step 3: Cross multiply
    141,379.26x = 195,104.76 × 76,848.47
  4. Step 4: Simplify right side
    141,379.26x = 14,993,501,320.19
  5. Step 5: Solve for x
    x = 14,993,501,320.19/141,379.26
  6. Step 6: Final answer
    x = 106,051.63

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1.5x scale

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.