Home / 100,029.23-150,149.58-97,770.34

Finding the Fourth Proportional to 100,029.23, 150,149.58 and 97,770.34

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Solution

The fourth proportional to 100,029.23, 150,149.58 and 97,770.34 is: 146,758.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,029.23 : 150,149.58 = 97,770.34 : x
  2. Step 2: Convert to fraction form
    100,029.23/150,149.58 = 97,770.34/x
  3. Step 3: Cross multiply
    100,029.23x = 150,149.58 × 97,770.34
  4. Step 4: Simplify right side
    100,029.23x = 14,680,175,112.08
  5. Step 5: Solve for x
    x = 14,680,175,112.08/100,029.23
  6. Step 6: Final answer
    x = 146,758.86

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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.