Home / 117,764.20-176,387.10-70,935.40

Finding the Fourth Proportional to 117,764.20, 176,387.10 and 70,935.40

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Solution

The fourth proportional to 117,764.20, 176,387.10 and 70,935.40 is: 106,246.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,764.20 : 176,387.10 = 70,935.40 : x
  2. Step 2: Convert to fraction form
    117,764.20/176,387.10 = 70,935.40/x
  3. Step 3: Cross multiply
    117,764.20x = 176,387.10 × 70,935.40
  4. Step 4: Simplify right side
    117,764.20x = 12,512,089,493.34
  5. Step 5: Solve for x
    x = 12,512,089,493.34/117,764.20
  6. Step 6: Final answer
    x = 106,246.97

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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.