Home / 145,229.49-217,751.22-56,410.02

Finding the Fourth Proportional to 145,229.49, 217,751.22 and 56,410.02

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Solution

The fourth proportional to 145,229.49, 217,751.22 and 56,410.02 is: 84,578.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,229.49 : 217,751.22 = 56,410.02 : x
  2. Step 2: Convert to fraction form
    145,229.49/217,751.22 = 56,410.02/x
  3. Step 3: Cross multiply
    145,229.49x = 217,751.22 × 56,410.02
  4. Step 4: Simplify right side
    145,229.49x = 12,283,350,675.22
  5. Step 5: Solve for x
    x = 12,283,350,675.22/145,229.49
  6. Step 6: Final answer
    x = 84,578.90

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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.