Home / 220,783.32-331,168.50-71,030.52

Finding the Fourth Proportional to 220,783.32, 331,168.50 and 71,030.52

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Solution

The fourth proportional to 220,783.32, 331,168.50 and 71,030.52 is: 106,543.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,783.32 : 331,168.50 = 71,030.52 : x
  2. Step 2: Convert to fraction form
    220,783.32/331,168.50 = 71,030.52/x
  3. Step 3: Cross multiply
    220,783.32x = 331,168.50 × 71,030.52
  4. Step 4: Simplify right side
    220,783.32x = 23,523,070,762.62
  5. Step 5: Solve for x
    x = 23,523,070,762.62/220,783.32
  6. Step 6: Final answer
    x = 106,543.70

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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.