Home / 152,052.89-228,286.17-85,539.83

Finding the Fourth Proportional to 152,052.89, 228,286.17 and 85,539.83

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Solution

The fourth proportional to 152,052.89, 228,286.17 and 85,539.83 is: 128,426.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,052.89 : 228,286.17 = 85,539.83 : x
  2. Step 2: Convert to fraction form
    152,052.89/228,286.17 = 85,539.83/x
  3. Step 3: Cross multiply
    152,052.89x = 228,286.17 × 85,539.83
  4. Step 4: Simplify right side
    152,052.89x = 19,527,559,031.72
  5. Step 5: Solve for x
    x = 19,527,559,031.72/152,052.89
  6. Step 6: Final answer
    x = 128,426.10

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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.