Home / 126,826.78-190,252.76-46,885.70

Finding the Fourth Proportional to 126,826.78, 190,252.76 and 46,885.70

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Solution

The fourth proportional to 126,826.78, 190,252.76 and 46,885.70 is: 70,333.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,826.78 : 190,252.76 = 46,885.70 : x
  2. Step 2: Convert to fraction form
    126,826.78/190,252.76 = 46,885.70/x
  3. Step 3: Cross multiply
    126,826.78x = 190,252.76 × 46,885.70
  4. Step 4: Simplify right side
    126,826.78x = 8,920,133,829.53
  5. Step 5: Solve for x
    x = 8,920,133,829.53/126,826.78
  6. Step 6: Final answer
    x = 70,333.20

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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.