Home / 127,331.15-191,079.65-48,446.06

Finding the Fourth Proportional to 127,331.15, 191,079.65 and 48,446.06

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Solution

The fourth proportional to 127,331.15, 191,079.65 and 48,446.06 is: 72,700.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,331.15 : 191,079.65 = 48,446.06 : x
  2. Step 2: Convert to fraction form
    127,331.15/191,079.65 = 48,446.06/x
  3. Step 3: Cross multiply
    127,331.15x = 191,079.65 × 48,446.06
  4. Step 4: Simplify right side
    127,331.15x = 9,257,054,991.05
  5. Step 5: Solve for x
    x = 9,257,054,991.05/127,331.15
  6. Step 6: Final answer
    x = 72,700.63

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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.