Home / 149,021.96-223,579.12-51,656.90

Finding the Fourth Proportional to 149,021.96, 223,579.12 and 51,656.90

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Solution

The fourth proportional to 149,021.96, 223,579.12 and 51,656.90 is: 77,501.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,021.96 : 223,579.12 = 51,656.90 : x
  2. Step 2: Convert to fraction form
    149,021.96/223,579.12 = 51,656.90/x
  3. Step 3: Cross multiply
    149,021.96x = 223,579.12 × 51,656.90
  4. Step 4: Simplify right side
    149,021.96x = 11,549,404,243.93
  5. Step 5: Solve for x
    x = 11,549,404,243.93/149,021.96
  6. Step 6: Final answer
    x = 77,501.36

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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.