Home / 99,333.20-148,999.80-36,995.60

Finding the Fourth Proportional to 99,333.20, 148,999.80 and 36,995.60

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Solution

The fourth proportional to 99,333.20, 148,999.80 and 36,995.60 is: 55,493.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,333.20 : 148,999.80 = 36,995.60 : x
  2. Step 2: Convert to fraction form
    99,333.20/148,999.80 = 36,995.60/x
  3. Step 3: Cross multiply
    99,333.20x = 148,999.80 × 36,995.60
  4. Step 4: Simplify right side
    99,333.20x = 5,512,337,000.88
  5. Step 5: Solve for x
    x = 5,512,337,000.88/99,333.20
  6. Step 6: Final answer
    x = 55,493.40

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1.5x scale

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.