Home / 189,134.49-282,865.21-168,221.31

Finding the Fourth Proportional to 189,134.49, 282,865.21 and 168,221.31

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Solution

The fourth proportional to 189,134.49, 282,865.21 and 168,221.31 is: 251,587.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,134.49 : 282,865.21 = 168,221.31 : x
  2. Step 2: Convert to fraction form
    189,134.49/282,865.21 = 168,221.31/x
  3. Step 3: Cross multiply
    189,134.49x = 282,865.21 × 168,221.31
  4. Step 4: Simplify right side
    189,134.49x = 47,583,955,644.57
  5. Step 5: Solve for x
    x = 47,583,955,644.57/189,134.49
  6. Step 6: Final answer
    x = 251,587.93

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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.