Home / 126,924.21-190,395.87-42,684.61

Finding the Fourth Proportional to 126,924.21, 190,395.87 and 42,684.61

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Solution

The fourth proportional to 126,924.21, 190,395.87 and 42,684.61 is: 64,030.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,924.21 : 190,395.87 = 42,684.61 : x
  2. Step 2: Convert to fraction form
    126,924.21/190,395.87 = 42,684.61/x
  3. Step 3: Cross multiply
    126,924.21x = 190,395.87 × 42,684.61
  4. Step 4: Simplify right side
    126,924.21x = 8,126,973,456.56
  5. Step 5: Solve for x
    x = 8,126,973,456.56/126,924.21
  6. Step 6: Final answer
    x = 64,030.13

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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.