Home / 136,045.38-204,014.70-51,760.80

Finding the Fourth Proportional to 136,045.38, 204,014.70 and 51,760.80

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Solution

The fourth proportional to 136,045.38, 204,014.70 and 51,760.80 is: 77,620.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,045.38 : 204,014.70 = 51,760.80 : x
  2. Step 2: Convert to fraction form
    136,045.38/204,014.70 = 51,760.80/x
  3. Step 3: Cross multiply
    136,045.38x = 204,014.70 × 51,760.80
  4. Step 4: Simplify right side
    136,045.38x = 10,559,964,083.76
  5. Step 5: Solve for x
    x = 10,559,964,083.76/136,045.38
  6. Step 6: Final answer
    x = 77,620.89

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1.5x scale

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.