Home / 117,590.20-176,558.10-70,934.20

Finding the Fourth Proportional to 117,590.20, 176,558.10 and 70,934.20

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Solution

The fourth proportional to 117,590.20, 176,558.10 and 70,934.20 is: 106,505.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,590.20 : 176,558.10 = 70,934.20 : x
  2. Step 2: Convert to fraction form
    117,590.20/176,558.10 = 70,934.20/x
  3. Step 3: Cross multiply
    117,590.20x = 176,558.10 × 70,934.20
  4. Step 4: Simplify right side
    117,590.20x = 12,524,007,577.02
  5. Step 5: Solve for x
    x = 12,524,007,577.02/117,590.20
  6. Step 6: Final answer
    x = 106,505.54

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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.