Home / 100,475.20-150,885.60-97,364.80

Finding the Fourth Proportional to 100,475.20, 150,885.60 and 97,364.80

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Solution

The fourth proportional to 100,475.20, 150,885.60 and 97,364.80 is: 146,214.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,475.20 : 150,885.60 = 97,364.80 : x
  2. Step 2: Convert to fraction form
    100,475.20/150,885.60 = 97,364.80/x
  3. Step 3: Cross multiply
    100,475.20x = 150,885.60 × 97,364.80
  4. Step 4: Simplify right side
    100,475.20x = 14,690,946,266.88
  5. Step 5: Solve for x
    x = 14,690,946,266.88/100,475.20
  6. Step 6: Final answer
    x = 146,214.65

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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.