Home / 329,741.24-455,039.88-186,529.28

Finding the Fourth Proportional to 329,741.24, 455,039.88 and 186,529.28

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Solution

The fourth proportional to 329,741.24, 455,039.88 and 186,529.28 is: 257,408.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,741.24 : 455,039.88 = 186,529.28 : x
  2. Step 2: Convert to fraction form
    329,741.24/455,039.88 = 186,529.28/x
  3. Step 3: Cross multiply
    329,741.24x = 455,039.88 × 186,529.28
  4. Step 4: Simplify right side
    329,741.24x = 84,878,261,187.69
  5. Step 5: Solve for x
    x = 84,878,261,187.69/329,741.24
  6. Step 6: Final answer
    x = 257,408.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.