Home / 127,961.32-191,964.66-61,521.88

Finding the Fourth Proportional to 127,961.32, 191,964.66 and 61,521.88

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Solution

The fourth proportional to 127,961.32, 191,964.66 and 61,521.88 is: 92,293.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,961.32 : 191,964.66 = 61,521.88 : x
  2. Step 2: Convert to fraction form
    127,961.32/191,964.66 = 61,521.88/x
  3. Step 3: Cross multiply
    127,961.32x = 191,964.66 × 61,521.88
  4. Step 4: Simplify right side
    127,961.32x = 11,810,026,776.76
  5. Step 5: Solve for x
    x = 11,810,026,776.76/127,961.32
  6. Step 6: Final answer
    x = 92,293.72

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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.