Home / 213,113.56-294,134.80-127,078.10

Finding the Fourth Proportional to 213,113.56, 294,134.80 and 127,078.10

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Solution

The fourth proportional to 213,113.56, 294,134.80 and 127,078.10 is: 175,390.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,113.56 : 294,134.80 = 127,078.10 : x
  2. Step 2: Convert to fraction form
    213,113.56/294,134.80 = 127,078.10/x
  3. Step 3: Cross multiply
    213,113.56x = 294,134.80 × 127,078.10
  4. Step 4: Simplify right side
    213,113.56x = 37,378,091,527.88
  5. Step 5: Solve for x
    x = 37,378,091,527.88/213,113.56
  6. Step 6: Final answer
    x = 175,390.49

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1.5x scale

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.