Home / 117,336.32-176,004.38-42,438.92

Finding the Fourth Proportional to 117,336.32, 176,004.38 and 42,438.92

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Solution

The fourth proportional to 117,336.32, 176,004.38 and 42,438.92 is: 63,658.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,336.32 : 176,004.38 = 42,438.92 : x
  2. Step 2: Convert to fraction form
    117,336.32/176,004.38 = 42,438.92/x
  3. Step 3: Cross multiply
    117,336.32x = 176,004.38 × 42,438.92
  4. Step 4: Simplify right side
    117,336.32x = 7,469,435,802.47
  5. Step 5: Solve for x
    x = 7,469,435,802.47/117,336.32
  6. Step 6: Final answer
    x = 63,658.34

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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.