Home / 157,216.24-235,744.22-77,259.52

Finding the Fourth Proportional to 157,216.24, 235,744.22 and 77,259.52

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Solution

The fourth proportional to 157,216.24, 235,744.22 and 77,259.52 is: 115,849.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,216.24 : 235,744.22 = 77,259.52 : x
  2. Step 2: Convert to fraction form
    157,216.24/235,744.22 = 77,259.52/x
  3. Step 3: Cross multiply
    157,216.24x = 235,744.22 × 77,259.52
  4. Step 4: Simplify right side
    157,216.24x = 18,213,485,279.97
  5. Step 5: Solve for x
    x = 18,213,485,279.97/157,216.24
  6. Step 6: Final answer
    x = 115,849.90

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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.