Home / 282,184.17-389,405.39-154,856.49

Finding the Fourth Proportional to 282,184.17, 389,405.39 and 154,856.49

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Solution

The fourth proportional to 282,184.17, 389,405.39 and 154,856.49 is: 213,697.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,184.17 : 389,405.39 = 154,856.49 : x
  2. Step 2: Convert to fraction form
    282,184.17/389,405.39 = 154,856.49/x
  3. Step 3: Cross multiply
    282,184.17x = 389,405.39 × 154,856.49
  4. Step 4: Simplify right side
    282,184.17x = 60,301,951,108.20
  5. Step 5: Solve for x
    x = 60,301,951,108.20/282,184.17
  6. Step 6: Final answer
    x = 213,697.14

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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.