Home / 136,066.60-204,002.70-61,125.40

Finding the Fourth Proportional to 136,066.60, 204,002.70 and 61,125.40

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Solution

The fourth proportional to 136,066.60, 204,002.70 and 61,125.40 is: 91,644.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,066.60 : 204,002.70 = 61,125.40 : x
  2. Step 2: Convert to fraction form
    136,066.60/204,002.70 = 61,125.40/x
  3. Step 3: Cross multiply
    136,066.60x = 204,002.70 × 61,125.40
  4. Step 4: Simplify right side
    136,066.60x = 12,469,746,638.58
  5. Step 5: Solve for x
    x = 12,469,746,638.58/136,066.60
  6. Step 6: Final answer
    x = 91,644.43

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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.