Home / 122,312.85-183,469.28-43,435.05

Finding the Fourth Proportional to 122,312.85, 183,469.28 and 43,435.05

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Solution

The fourth proportional to 122,312.85, 183,469.28 and 43,435.05 is: 65,152.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,312.85 : 183,469.28 = 43,435.05 : x
  2. Step 2: Convert to fraction form
    122,312.85/183,469.28 = 43,435.05/x
  3. Step 3: Cross multiply
    122,312.85x = 183,469.28 × 43,435.05
  4. Step 4: Simplify right side
    122,312.85x = 7,968,997,133.09
  5. Step 5: Solve for x
    x = 7,968,997,133.09/122,312.85
  6. Step 6: Final answer
    x = 65,152.58

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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.