Home / 99,341.40-149,015.70-29,227.80

Finding the Fourth Proportional to 99,341.40, 149,015.70 and 29,227.80

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Solution

The fourth proportional to 99,341.40, 149,015.70 and 29,227.80 is: 43,842.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,341.40 : 149,015.70 = 29,227.80 : x
  2. Step 2: Convert to fraction form
    99,341.40/149,015.70 = 29,227.80/x
  3. Step 3: Cross multiply
    99,341.40x = 149,015.70 × 29,227.80
  4. Step 4: Simplify right side
    99,341.40x = 4,355,401,076.46
  5. Step 5: Solve for x
    x = 4,355,401,076.46/99,341.40
  6. Step 6: Final answer
    x = 43,842.76

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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.