Home / 144,575.40-216,863.10-51,090.60

Finding the Fourth Proportional to 144,575.40, 216,863.10 and 51,090.60

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Solution

The fourth proportional to 144,575.40, 216,863.10 and 51,090.60 is: 76,635.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,575.40 : 216,863.10 = 51,090.60 : x
  2. Step 2: Convert to fraction form
    144,575.40/216,863.10 = 51,090.60/x
  3. Step 3: Cross multiply
    144,575.40x = 216,863.10 × 51,090.60
  4. Step 4: Simplify right side
    144,575.40x = 11,079,665,896.86
  5. Step 5: Solve for x
    x = 11,079,665,896.86/144,575.40
  6. Step 6: Final answer
    x = 76,635.90

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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.