Home / 122,210.85-183,217.32-47,292.60

Finding the Fourth Proportional to 122,210.85, 183,217.32 and 47,292.60

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Solution

The fourth proportional to 122,210.85, 183,217.32 and 47,292.60 is: 70,900.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,210.85 : 183,217.32 = 47,292.60 : x
  2. Step 2: Convert to fraction form
    122,210.85/183,217.32 = 47,292.60/x
  3. Step 3: Cross multiply
    122,210.85x = 183,217.32 × 47,292.60
  4. Step 4: Simplify right side
    122,210.85x = 8,664,823,427.83
  5. Step 5: Solve for x
    x = 8,664,823,427.83/122,210.85
  6. Step 6: Final answer
    x = 70,900.61

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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.