Home / 118,012.32-176,993.84-43,167.72

Finding the Fourth Proportional to 118,012.32, 176,993.84 and 43,167.72

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Solution

The fourth proportional to 118,012.32, 176,993.84 and 43,167.72 is: 64,742.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,012.32 : 176,993.84 = 43,167.72 : x
  2. Step 2: Convert to fraction form
    118,012.32/176,993.84 = 43,167.72/x
  3. Step 3: Cross multiply
    118,012.32x = 176,993.84 × 43,167.72
  4. Step 4: Simplify right side
    118,012.32x = 7,640,420,526.84
  5. Step 5: Solve for x
    x = 7,640,420,526.84/118,012.32
  6. Step 6: Final answer
    x = 64,742.57

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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.