Home / 354,272.04-531,212.22-140,823.72

Finding the Fourth Proportional to 354,272.04, 531,212.22 and 140,823.72

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Solution

The fourth proportional to 354,272.04, 531,212.22 and 140,823.72 is: 211,157.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,272.04 : 531,212.22 = 140,823.72 : x
  2. Step 2: Convert to fraction form
    354,272.04/531,212.22 = 140,823.72/x
  3. Step 3: Cross multiply
    354,272.04x = 531,212.22 × 140,823.72
  4. Step 4: Simplify right side
    354,272.04x = 74,807,280,929.86
  5. Step 5: Solve for x
    x = 74,807,280,929.86/354,272.04
  6. Step 6: Final answer
    x = 211,157.73

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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.