Home / 127,733.28-176,271.84-74,049.45

Finding the Fourth Proportional to 127,733.28, 176,271.84 and 74,049.45

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Solution

The fourth proportional to 127,733.28, 176,271.84 and 74,049.45 is: 102,188.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,733.28 : 176,271.84 = 74,049.45 : x
  2. Step 2: Convert to fraction form
    127,733.28/176,271.84 = 74,049.45/x
  3. Step 3: Cross multiply
    127,733.28x = 176,271.84 × 74,049.45
  4. Step 4: Simplify right side
    127,733.28x = 13,052,832,802.49
  5. Step 5: Solve for x
    x = 13,052,832,802.49/127,733.28
  6. Step 6: Final answer
    x = 102,188.19

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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.