Home / 99,994.20-149,999.29-33,434.68

Finding the Fourth Proportional to 99,994.20, 149,999.29 and 33,434.68

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Solution

The fourth proportional to 99,994.20, 149,999.29 and 33,434.68 is: 50,154.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,994.20 : 149,999.29 = 33,434.68 : x
  2. Step 2: Convert to fraction form
    99,994.20/149,999.29 = 33,434.68/x
  3. Step 3: Cross multiply
    99,994.20x = 149,999.29 × 33,434.68
  4. Step 4: Simplify right side
    99,994.20x = 5,015,178,094.20
  5. Step 5: Solve for x
    x = 5,015,178,094.20/99,994.20
  6. Step 6: Final answer
    x = 50,154.69

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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.