Home / 134,446.14-185,532.75-74,014.47

Finding the Fourth Proportional to 134,446.14, 185,532.75 and 74,014.47

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Solution

The fourth proportional to 134,446.14, 185,532.75 and 74,014.47 is: 102,138.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,446.14 : 185,532.75 = 74,014.47 : x
  2. Step 2: Convert to fraction form
    134,446.14/185,532.75 = 74,014.47/x
  3. Step 3: Cross multiply
    134,446.14x = 185,532.75 × 74,014.47
  4. Step 4: Simplify right side
    134,446.14x = 13,732,108,158.89
  5. Step 5: Solve for x
    x = 13,732,108,158.89/134,446.14
  6. Step 6: Final answer
    x = 102,138.36

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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.