Home / 149,030.12-223,559.76-54,286.04

Finding the Fourth Proportional to 149,030.12, 223,559.76 and 54,286.04

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Solution

The fourth proportional to 149,030.12, 223,559.76 and 54,286.04 is: 81,434.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,030.12 : 223,559.76 = 54,286.04 : x
  2. Step 2: Convert to fraction form
    149,030.12/223,559.76 = 54,286.04/x
  3. Step 3: Cross multiply
    149,030.12x = 223,559.76 × 54,286.04
  4. Step 4: Simplify right side
    149,030.12x = 12,136,174,073.75
  5. Step 5: Solve for x
    x = 12,136,174,073.75/149,030.12
  6. Step 6: Final answer
    x = 81,434.37

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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.