Home / 100,455.20-150,855.60-97,344.80

Finding the Fourth Proportional to 100,455.20, 150,855.60 and 97,344.80

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Solution

The fourth proportional to 100,455.20, 150,855.60 and 97,344.80 is: 146,184.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,455.20 : 150,855.60 = 97,344.80 : x
  2. Step 2: Convert to fraction form
    100,455.20/150,855.60 = 97,344.80/x
  3. Step 3: Cross multiply
    100,455.20x = 150,855.60 × 97,344.80
  4. Step 4: Simplify right side
    100,455.20x = 14,685,008,210.88
  5. Step 5: Solve for x
    x = 14,685,008,210.88/100,455.20
  6. Step 6: Final answer
    x = 146,184.65

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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.