Home / 127,927-191,641.14-77,882.96

Finding the Fourth Proportional to 127,927, 191,641.14 and 77,882.96

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Solution

The fourth proportional to 127,927, 191,641.14 and 77,882.96 is: 116,672.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,927 : 191,641.14 = 77,882.96 : x
  2. Step 2: Convert to fraction form
    127,927/191,641.14 = 77,882.96/x
  3. Step 3: Cross multiply
    127,927x = 191,641.14 × 77,882.96
  4. Step 4: Simplify right side
    127,927x = 14,925,579,240.97
  5. Step 5: Solve for x
    x = 14,925,579,240.97/127,927
  6. Step 6: Final answer
    x = 116,672.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.