Home / 157,271.97-235,738.26-77,216.83

Finding the Fourth Proportional to 157,271.97, 235,738.26 and 77,216.83

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Solution

The fourth proportional to 157,271.97, 235,738.26 and 77,216.83 is: 115,741.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,271.97 : 235,738.26 = 77,216.83 : x
  2. Step 2: Convert to fraction form
    157,271.97/235,738.26 = 77,216.83/x
  3. Step 3: Cross multiply
    157,271.97x = 235,738.26 × 77,216.83
  4. Step 4: Simplify right side
    157,271.97x = 18,202,961,146.92
  5. Step 5: Solve for x
    x = 18,202,961,146.92/157,271.97
  6. Step 6: Final answer
    x = 115,741.93

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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.