Home / 141,070.98-194,670.22-77,403.77

Finding the Fourth Proportional to 141,070.98, 194,670.22 and 77,403.77

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Solution

The fourth proportional to 141,070.98, 194,670.22 and 77,403.77 is: 106,812.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,070.98 : 194,670.22 = 77,403.77 : x
  2. Step 2: Convert to fraction form
    141,070.98/194,670.22 = 77,403.77/x
  3. Step 3: Cross multiply
    141,070.98x = 194,670.22 × 77,403.77
  4. Step 4: Simplify right side
    141,070.98x = 15,068,208,934.73
  5. Step 5: Solve for x
    x = 15,068,208,934.73/141,070.98
  6. Step 6: Final answer
    x = 106,812.96

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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.