Home / 254,526.76-381,621.62-121,427.56

Finding the Fourth Proportional to 254,526.76, 381,621.62 and 121,427.56

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Solution

The fourth proportional to 254,526.76, 381,621.62 and 121,427.56 is: 182,060.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,526.76 : 381,621.62 = 121,427.56 : x
  2. Step 2: Convert to fraction form
    254,526.76/381,621.62 = 121,427.56/x
  3. Step 3: Cross multiply
    254,526.76x = 381,621.62 × 121,427.56
  4. Step 4: Simplify right side
    254,526.76x = 46,339,382,159.85
  5. Step 5: Solve for x
    x = 46,339,382,159.85/254,526.76
  6. Step 6: Final answer
    x = 182,060.94

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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.