Home / 127,930.19-191,937.74-39,184.56

Finding the Fourth Proportional to 127,930.19, 191,937.74 and 39,184.56

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Solution

The fourth proportional to 127,930.19, 191,937.74 and 39,184.56 is: 58,789.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,930.19 : 191,937.74 = 39,184.56 : x
  2. Step 2: Convert to fraction form
    127,930.19/191,937.74 = 39,184.56/x
  3. Step 3: Cross multiply
    127,930.19x = 191,937.74 × 39,184.56
  4. Step 4: Simplify right side
    127,930.19x = 7,520,995,693.37
  5. Step 5: Solve for x
    x = 7,520,995,693.37/127,930.19
  6. Step 6: Final answer
    x = 58,789.84

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1.5x scale

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.