Home / 117,425.16-176,157.30-38,518.20

Finding the Fourth Proportional to 117,425.16, 176,157.30 and 38,518.20

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Solution

The fourth proportional to 117,425.16, 176,157.30 and 38,518.20 is: 57,783.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,425.16 : 176,157.30 = 38,518.20 : x
  2. Step 2: Convert to fraction form
    117,425.16/176,157.30 = 38,518.20/x
  3. Step 3: Cross multiply
    117,425.16x = 176,157.30 × 38,518.20
  4. Step 4: Simplify right side
    117,425.16x = 6,785,262,112.86
  5. Step 5: Solve for x
    x = 6,785,262,112.86/117,425.16
  6. Step 6: Final answer
    x = 57,783.72

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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.