Home / 136,317.60-204,476.40-69,735.60

Finding the Fourth Proportional to 136,317.60, 204,476.40 and 69,735.60

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Solution

The fourth proportional to 136,317.60, 204,476.40 and 69,735.60 is: 104,603.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,317.60 : 204,476.40 = 69,735.60 : x
  2. Step 2: Convert to fraction form
    136,317.60/204,476.40 = 69,735.60/x
  3. Step 3: Cross multiply
    136,317.60x = 204,476.40 × 69,735.60
  4. Step 4: Simplify right side
    136,317.60x = 14,259,284,439.84
  5. Step 5: Solve for x
    x = 14,259,284,439.84/136,317.60
  6. Step 6: Final answer
    x = 104,603.40

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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.