Home / 136,856.36-205,290.20-46,960.87

Finding the Fourth Proportional to 136,856.36, 205,290.20 and 46,960.87

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Solution

The fourth proportional to 136,856.36, 205,290.20 and 46,960.87 is: 70,443.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,856.36 : 205,290.20 = 46,960.87 : x
  2. Step 2: Convert to fraction form
    136,856.36/205,290.20 = 46,960.87/x
  3. Step 3: Cross multiply
    136,856.36x = 205,290.20 × 46,960.87
  4. Step 4: Simplify right side
    136,856.36x = 9,640,605,998.65
  5. Step 5: Solve for x
    x = 9,640,605,998.65/136,856.36
  6. Step 6: Final answer
    x = 70,443.25

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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.