Home / 149,215.10-223,800.57-54,423.09

Finding the Fourth Proportional to 149,215.10, 223,800.57 and 54,423.09

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Solution

The fourth proportional to 149,215.10, 223,800.57 and 54,423.09 is: 81,626.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,215.10 : 223,800.57 = 54,423.09 : x
  2. Step 2: Convert to fraction form
    149,215.10/223,800.57 = 54,423.09/x
  3. Step 3: Cross multiply
    149,215.10x = 223,800.57 × 54,423.09
  4. Step 4: Simplify right side
    149,215.10x = 12,179,918,563.16
  5. Step 5: Solve for x
    x = 12,179,918,563.16/149,215.10
  6. Step 6: Final answer
    x = 81,626.58

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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.