Home / 127,733.09-176,271.72-74,049.23

Finding the Fourth Proportional to 127,733.09, 176,271.72 and 74,049.23

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Solution

The fourth proportional to 127,733.09, 176,271.72 and 74,049.23 is: 102,187.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,733.09 : 176,271.72 = 74,049.23 : x
  2. Step 2: Convert to fraction form
    127,733.09/176,271.72 = 74,049.23/x
  3. Step 3: Cross multiply
    127,733.09x = 176,271.72 × 74,049.23
  4. Step 4: Simplify right side
    127,733.09x = 13,052,785,577.45
  5. Step 5: Solve for x
    x = 13,052,785,577.45/127,733.09
  6. Step 6: Final answer
    x = 102,187.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.