Home / 136,935.40-205,403.10-92,698.60

Finding the Fourth Proportional to 136,935.40, 205,403.10 and 92,698.60

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Solution

The fourth proportional to 136,935.40, 205,403.10 and 92,698.60 is: 139,047.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,935.40 : 205,403.10 = 92,698.60 : x
  2. Step 2: Convert to fraction form
    136,935.40/205,403.10 = 92,698.60/x
  3. Step 3: Cross multiply
    136,935.40x = 205,403.10 × 92,698.60
  4. Step 4: Simplify right side
    136,935.40x = 19,040,579,805.66
  5. Step 5: Solve for x
    x = 19,040,579,805.66/136,935.40
  6. Step 6: Final answer
    x = 139,047.90

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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.