Home / 99,666.40-149,448.30-29,536.60

Finding the Fourth Proportional to 99,666.40, 149,448.30 and 29,536.60

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Solution

The fourth proportional to 99,666.40, 149,448.30 and 29,536.60 is: 44,289.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,666.40 : 149,448.30 = 29,536.60 : x
  2. Step 2: Convert to fraction form
    99,666.40/149,448.30 = 29,536.60/x
  3. Step 3: Cross multiply
    99,666.40x = 149,448.30 × 29,536.60
  4. Step 4: Simplify right side
    99,666.40x = 4,414,194,657.78
  5. Step 5: Solve for x
    x = 4,414,194,657.78/99,666.40
  6. Step 6: Final answer
    x = 44,289.70

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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.