Home / 147,685.64-221,542.17-114,442.91

Finding the Fourth Proportional to 147,685.64, 221,542.17 and 114,442.91

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Solution

The fourth proportional to 147,685.64, 221,542.17 and 114,442.91 is: 171,674.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,685.64 : 221,542.17 = 114,442.91 : x
  2. Step 2: Convert to fraction form
    147,685.64/221,542.17 = 114,442.91/x
  3. Step 3: Cross multiply
    147,685.64x = 221,542.17 × 114,442.91
  4. Step 4: Simplify right side
    147,685.64x = 25,353,928,942.59
  5. Step 5: Solve for x
    x = 25,353,928,942.59/147,685.64
  6. Step 6: Final answer
    x = 171,674.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.