Home / 127,900.80-191,906.40-68,667.24

Finding the Fourth Proportional to 127,900.80, 191,906.40 and 68,667.24

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Solution

The fourth proportional to 127,900.80, 191,906.40 and 68,667.24 is: 103,030.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,900.80 : 191,906.40 = 68,667.24 : x
  2. Step 2: Convert to fraction form
    127,900.80/191,906.40 = 68,667.24/x
  3. Step 3: Cross multiply
    127,900.80x = 191,906.40 × 68,667.24
  4. Step 4: Simplify right side
    127,900.80x = 13,177,682,826.34
  5. Step 5: Solve for x
    x = 13,177,682,826.34/127,900.80
  6. Step 6: Final answer
    x = 103,030.50

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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.