Home / 126,957.94-190,438.53-56,822.74

Finding the Fourth Proportional to 126,957.94, 190,438.53 and 56,822.74

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Solution

The fourth proportional to 126,957.94, 190,438.53 and 56,822.74 is: 85,234.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,957.94 : 190,438.53 = 56,822.74 : x
  2. Step 2: Convert to fraction form
    126,957.94/190,438.53 = 56,822.74/x
  3. Step 3: Cross multiply
    126,957.94x = 190,438.53 × 56,822.74
  4. Step 4: Simplify right side
    126,957.94x = 10,821,239,076.17
  5. Step 5: Solve for x
    x = 10,821,239,076.17/126,957.94
  6. Step 6: Final answer
    x = 85,234.84

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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.