Home / 329,985.82-455,387.25-186,745.84

Finding the Fourth Proportional to 329,985.82, 455,387.25 and 186,745.84

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Solution

The fourth proportional to 329,985.82, 455,387.25 and 186,745.84 is: 257,713.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,985.82 : 455,387.25 = 186,745.84 : x
  2. Step 2: Convert to fraction form
    329,985.82/455,387.25 = 186,745.84/x
  3. Step 3: Cross multiply
    329,985.82x = 455,387.25 × 186,745.84
  4. Step 4: Simplify right side
    329,985.82x = 85,041,674,526.54
  5. Step 5: Solve for x
    x = 85,041,674,526.54/329,985.82
  6. Step 6: Final answer
    x = 257,713.12

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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.