Home / 136,577.21-204,865.83-43,090.25

Finding the Fourth Proportional to 136,577.21, 204,865.83 and 43,090.25

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Solution

The fourth proportional to 136,577.21, 204,865.83 and 43,090.25 is: 64,635.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,577.21 : 204,865.83 = 43,090.25 : x
  2. Step 2: Convert to fraction form
    136,577.21/204,865.83 = 43,090.25/x
  3. Step 3: Cross multiply
    136,577.21x = 204,865.83 × 43,090.25
  4. Step 4: Simplify right side
    136,577.21x = 8,827,719,831.16
  5. Step 5: Solve for x
    x = 8,827,719,831.16/136,577.21
  6. Step 6: Final answer
    x = 64,635.38

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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.