Home / 126,970.74-190,435.46-47,046.42

Finding the Fourth Proportional to 126,970.74, 190,435.46 and 47,046.42

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Solution

The fourth proportional to 126,970.74, 190,435.46 and 47,046.42 is: 70,561.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,970.74 : 190,435.46 = 47,046.42 : x
  2. Step 2: Convert to fraction form
    126,970.74/190,435.46 = 47,046.42/x
  3. Step 3: Cross multiply
    126,970.74x = 190,435.46 × 47,046.42
  4. Step 4: Simplify right side
    126,970.74x = 8,959,306,398.82
  5. Step 5: Solve for x
    x = 8,959,306,398.82/126,970.74
  6. Step 6: Final answer
    x = 70,561.98

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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.