Home / 141,587.51-195,392.15-77,926.77

Finding the Fourth Proportional to 141,587.51, 195,392.15 and 77,926.77

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Solution

The fourth proportional to 141,587.51, 195,392.15 and 77,926.77 is: 107,539.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,587.51 : 195,392.15 = 77,926.77 : x
  2. Step 2: Convert to fraction form
    141,587.51/195,392.15 = 77,926.77/x
  3. Step 3: Cross multiply
    141,587.51x = 195,392.15 × 77,926.77
  4. Step 4: Simplify right side
    141,587.51x = 15,226,278,743.22
  5. Step 5: Solve for x
    x = 15,226,278,743.22/141,587.51
  6. Step 6: Final answer
    x = 107,539.71

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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.