Home / 149,421.20-223,872.60-96,803.60

Finding the Fourth Proportional to 149,421.20, 223,872.60 and 96,803.60

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Solution

The fourth proportional to 149,421.20, 223,872.60 and 96,803.60 is: 145,037.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,421.20 : 223,872.60 = 96,803.60 : x
  2. Step 2: Convert to fraction form
    149,421.20/223,872.60 = 96,803.60/x
  3. Step 3: Cross multiply
    149,421.20x = 223,872.60 × 96,803.60
  4. Step 4: Simplify right side
    149,421.20x = 21,671,673,621.36
  5. Step 5: Solve for x
    x = 21,671,673,621.36/149,421.20
  6. Step 6: Final answer
    x = 145,037.48

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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.