Home / 127,541.23-191,229.78-60,979.88

Finding the Fourth Proportional to 127,541.23, 191,229.78 and 60,979.88

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Solution

The fourth proportional to 127,541.23, 191,229.78 and 60,979.88 is: 91,430.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,541.23 : 191,229.78 = 60,979.88 : x
  2. Step 2: Convert to fraction form
    127,541.23/191,229.78 = 60,979.88/x
  3. Step 3: Cross multiply
    127,541.23x = 191,229.78 × 60,979.88
  4. Step 4: Simplify right side
    127,541.23x = 11,661,169,036.83
  5. Step 5: Solve for x
    x = 11,661,169,036.83/127,541.23
  6. Step 6: Final answer
    x = 91,430.58

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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.