Home / 149,684.60-224,366.20-74,656.52

Finding the Fourth Proportional to 149,684.60, 224,366.20 and 74,656.52

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Solution

The fourth proportional to 149,684.60, 224,366.20 and 74,656.52 is: 111,904.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,684.60 : 224,366.20 = 74,656.52 : x
  2. Step 2: Convert to fraction form
    149,684.60/224,366.20 = 74,656.52/x
  3. Step 3: Cross multiply
    149,684.60x = 224,366.20 × 74,656.52
  4. Step 4: Simplify right side
    149,684.60x = 16,750,399,697.62
  5. Step 5: Solve for x
    x = 16,750,399,697.62/149,684.60
  6. Step 6: Final answer
    x = 111,904.63

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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.