Home / 166,725.14-229,931.66-121,508.51

Finding the Fourth Proportional to 166,725.14, 229,931.66 and 121,508.51

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Solution

The fourth proportional to 166,725.14, 229,931.66 and 121,508.51 is: 167,573.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,725.14 : 229,931.66 = 121,508.51 : x
  2. Step 2: Convert to fraction form
    166,725.14/229,931.66 = 121,508.51/x
  3. Step 3: Cross multiply
    166,725.14x = 229,931.66 × 121,508.51
  4. Step 4: Simplify right side
    166,725.14x = 27,938,652,562.54
  5. Step 5: Solve for x
    x = 27,938,652,562.54/166,725.14
  6. Step 6: Final answer
    x = 167,573.13

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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.