Home / 127,735.71-191,433.79-67,751.83

Finding the Fourth Proportional to 127,735.71, 191,433.79 and 67,751.83

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Solution

The fourth proportional to 127,735.71, 191,433.79 and 67,751.83 is: 101,537.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,735.71 : 191,433.79 = 67,751.83 : x
  2. Step 2: Convert to fraction form
    127,735.71/191,433.79 = 67,751.83/x
  3. Step 3: Cross multiply
    127,735.71x = 191,433.79 × 67,751.83
  4. Step 4: Simplify right side
    127,735.71x = 12,969,989,596.34
  5. Step 5: Solve for x
    x = 12,969,989,596.34/127,735.71
  6. Step 6: Final answer
    x = 101,537.70

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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.