Home / 136,254.92-188,035.38-75,829.64

Finding the Fourth Proportional to 136,254.92, 188,035.38 and 75,829.64

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Solution

The fourth proportional to 136,254.92, 188,035.38 and 75,829.64 is: 104,646.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,254.92 : 188,035.38 = 75,829.64 : x
  2. Step 2: Convert to fraction form
    136,254.92/188,035.38 = 75,829.64/x
  3. Step 3: Cross multiply
    136,254.92x = 188,035.38 × 75,829.64
  4. Step 4: Simplify right side
    136,254.92x = 14,258,655,172.66
  5. Step 5: Solve for x
    x = 14,258,655,172.66/136,254.92
  6. Step 6: Final answer
    x = 104,646.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.