Home / 127,718.22-191,585.97-48,840.78

Finding the Fourth Proportional to 127,718.22, 191,585.97 and 48,840.78

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Solution

The fourth proportional to 127,718.22, 191,585.97 and 48,840.78 is: 73,264.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,718.22 : 191,585.97 = 48,840.78 : x
  2. Step 2: Convert to fraction form
    127,718.22/191,585.97 = 48,840.78/x
  3. Step 3: Cross multiply
    127,718.22x = 191,585.97 × 48,840.78
  4. Step 4: Simplify right side
    127,718.22x = 9,357,208,211.86
  5. Step 5: Solve for x
    x = 9,357,208,211.86/127,718.22
  6. Step 6: Final answer
    x = 73,264.47

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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.