Home / 118,064.08-176,680.20-73,711.60

Finding the Fourth Proportional to 118,064.08, 176,680.20 and 73,711.60

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Solution

The fourth proportional to 118,064.08, 176,680.20 and 73,711.60 is: 110,307.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,064.08 : 176,680.20 = 73,711.60 : x
  2. Step 2: Convert to fraction form
    118,064.08/176,680.20 = 73,711.60/x
  3. Step 3: Cross multiply
    118,064.08x = 176,680.20 × 73,711.60
  4. Step 4: Simplify right side
    118,064.08x = 13,023,380,230.32
  5. Step 5: Solve for x
    x = 13,023,380,230.32/118,064.08
  6. Step 6: Final answer
    x = 110,307.73

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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.