Home / 136,906.70-205,433.57-56,999.83

Finding the Fourth Proportional to 136,906.70, 205,433.57 and 56,999.83

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Solution

The fourth proportional to 136,906.70, 205,433.57 and 56,999.83 is: 85,530.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,906.70 : 205,433.57 = 56,999.83 : x
  2. Step 2: Convert to fraction form
    136,906.70/205,433.57 = 56,999.83/x
  3. Step 3: Cross multiply
    136,906.70x = 205,433.57 × 56,999.83
  4. Step 4: Simplify right side
    136,906.70x = 11,709,678,566.29
  5. Step 5: Solve for x
    x = 11,709,678,566.29/136,906.70
  6. Step 6: Final answer
    x = 85,530.35

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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.