Home / 122,078.40-183,100.05-47,233.86

Finding the Fourth Proportional to 122,078.40, 183,100.05 and 47,233.86

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Solution

The fourth proportional to 122,078.40, 183,100.05 and 47,233.86 is: 70,844.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,078.40 : 183,100.05 = 47,233.86 : x
  2. Step 2: Convert to fraction form
    122,078.40/183,100.05 = 47,233.86/x
  3. Step 3: Cross multiply
    122,078.40x = 183,100.05 × 47,233.86
  4. Step 4: Simplify right side
    122,078.40x = 8,648,522,127.69
  5. Step 5: Solve for x
    x = 8,648,522,127.69/122,078.40
  6. Step 6: Final answer
    x = 70,844.00

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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.