Home / 136,880.08-205,327.48-43,393.12

Finding the Fourth Proportional to 136,880.08, 205,327.48 and 43,393.12

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Solution

The fourth proportional to 136,880.08, 205,327.48 and 43,393.12 is: 65,092.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,880.08 : 205,327.48 = 43,393.12 : x
  2. Step 2: Convert to fraction form
    136,880.08/205,327.48 = 43,393.12/x
  3. Step 3: Cross multiply
    136,880.08x = 205,327.48 × 43,393.12
  4. Step 4: Simplify right side
    136,880.08x = 8,909,799,978.94
  5. Step 5: Solve for x
    x = 8,909,799,978.94/136,880.08
  6. Step 6: Final answer
    x = 65,092.01

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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.