Home / 282,826.17-390,189.15-161,902.53

Finding the Fourth Proportional to 282,826.17, 390,189.15 and 161,902.53

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Solution

The fourth proportional to 282,826.17, 390,189.15 and 161,902.53 is: 223,361.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,826.17 : 390,189.15 = 161,902.53 : x
  2. Step 2: Convert to fraction form
    282,826.17/390,189.15 = 161,902.53/x
  3. Step 3: Cross multiply
    282,826.17x = 390,189.15 × 161,902.53
  4. Step 4: Simplify right side
    282,826.17x = 63,172,610,563.55
  5. Step 5: Solve for x
    x = 63,172,610,563.55/282,826.17
  6. Step 6: Final answer
    x = 223,361.97

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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.