Home / 254,551.07-381,909.53-121,414.01

Finding the Fourth Proportional to 254,551.07, 381,909.53 and 121,414.01

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Solution

The fourth proportional to 254,551.07, 381,909.53 and 121,414.01 is: 182,160.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,551.07 : 381,909.53 = 121,414.01 : x
  2. Step 2: Convert to fraction form
    254,551.07/381,909.53 = 121,414.01/x
  3. Step 3: Cross multiply
    254,551.07x = 381,909.53 × 121,414.01
  4. Step 4: Simplify right side
    254,551.07x = 46,369,165,888.50
  5. Step 5: Solve for x
    x = 46,369,165,888.50/254,551.07
  6. Step 6: Final answer
    x = 182,160.56

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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.