Home / 213,869.66-295,119.92-127,811.52

Finding the Fourth Proportional to 213,869.66, 295,119.92 and 127,811.52

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Solution

The fourth proportional to 213,869.66, 295,119.92 and 127,811.52 is: 176,367.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,869.66 : 295,119.92 = 127,811.52 : x
  2. Step 2: Convert to fraction form
    213,869.66/295,119.92 = 127,811.52/x
  3. Step 3: Cross multiply
    213,869.66x = 295,119.92 × 127,811.52
  4. Step 4: Simplify right side
    213,869.66x = 37,719,725,877.01
  5. Step 5: Solve for x
    x = 37,719,725,877.01/213,869.66
  6. Step 6: Final answer
    x = 176,367.82

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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.