Home / 134,705.27-185,889.69-74,274.89

Finding the Fourth Proportional to 134,705.27, 185,889.69 and 74,274.89

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Solution

The fourth proportional to 134,705.27, 185,889.69 and 74,274.89 is: 102,497.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,705.27 : 185,889.69 = 74,274.89 : x
  2. Step 2: Convert to fraction form
    134,705.27/185,889.69 = 74,274.89/x
  3. Step 3: Cross multiply
    134,705.27x = 185,889.69 × 74,274.89
  4. Step 4: Simplify right side
    134,705.27x = 13,806,935,347.44
  5. Step 5: Solve for x
    x = 13,806,935,347.44/134,705.27
  6. Step 6: Final answer
    x = 102,497.37

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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.