Home / 213,113.20-294,134.36-127,077.74

Finding the Fourth Proportional to 213,113.20, 294,134.36 and 127,077.74

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Solution

The fourth proportional to 213,113.20, 294,134.36 and 127,077.74 is: 175,390.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,113.20 : 294,134.36 = 127,077.74 : x
  2. Step 2: Convert to fraction form
    213,113.20/294,134.36 = 127,077.74/x
  3. Step 3: Cross multiply
    213,113.20x = 294,134.36 × 127,077.74
  4. Step 4: Simplify right side
    213,113.20x = 37,377,929,725.15
  5. Step 5: Solve for x
    x = 37,377,929,725.15/213,113.20
  6. Step 6: Final answer
    x = 175,390.03

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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.