Home / 134,621.84-185,777.20-74,192.52

Finding the Fourth Proportional to 134,621.84, 185,777.20 and 74,192.52

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Solution

The fourth proportional to 134,621.84, 185,777.20 and 74,192.52 is: 102,385.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,621.84 : 185,777.20 = 74,192.52 : x
  2. Step 2: Convert to fraction form
    134,621.84/185,777.20 = 74,192.52/x
  3. Step 3: Cross multiply
    134,621.84x = 185,777.20 × 74,192.52
  4. Step 4: Simplify right side
    134,621.84x = 13,783,278,626.54
  5. Step 5: Solve for x
    x = 13,783,278,626.54/134,621.84
  6. Step 6: Final answer
    x = 102,385.16

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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.