Home / 136,435.40-204,653.10-124,625.60

Finding the Fourth Proportional to 136,435.40, 204,653.10 and 124,625.60

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Solution

The fourth proportional to 136,435.40, 204,653.10 and 124,625.60 is: 186,938.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,435.40 : 204,653.10 = 124,625.60 : x
  2. Step 2: Convert to fraction form
    136,435.40/204,653.10 = 124,625.60/x
  3. Step 3: Cross multiply
    136,435.40x = 204,653.10 × 124,625.60
  4. Step 4: Simplify right side
    136,435.40x = 25,505,015,379.36
  5. Step 5: Solve for x
    x = 25,505,015,379.36/136,435.40
  6. Step 6: Final answer
    x = 186,938.40

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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.