Home / 122,203.40-183,305.10-43,325.60

Finding the Fourth Proportional to 122,203.40, 183,305.10 and 43,325.60

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Solution

The fourth proportional to 122,203.40, 183,305.10 and 43,325.60 is: 64,988.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,203.40 : 183,305.10 = 43,325.60 : x
  2. Step 2: Convert to fraction form
    122,203.40/183,305.10 = 43,325.60/x
  3. Step 3: Cross multiply
    122,203.40x = 183,305.10 × 43,325.60
  4. Step 4: Simplify right side
    122,203.40x = 7,941,803,440.56
  5. Step 5: Solve for x
    x = 7,941,803,440.56/122,203.40
  6. Step 6: Final answer
    x = 64,988.40

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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.