Home / 122,156.18-183,172.35-43,259.30

Finding the Fourth Proportional to 122,156.18, 183,172.35 and 43,259.30

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Solution

The fourth proportional to 122,156.18, 183,172.35 and 43,259.30 is: 64,867.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,156.18 : 183,172.35 = 43,259.30 : x
  2. Step 2: Convert to fraction form
    122,156.18/183,172.35 = 43,259.30/x
  3. Step 3: Cross multiply
    122,156.18x = 183,172.35 × 43,259.30
  4. Step 4: Simplify right side
    122,156.18x = 7,923,907,640.36
  5. Step 5: Solve for x
    x = 7,923,907,640.36/122,156.18
  6. Step 6: Final answer
    x = 64,867.02

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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.