Home / 152,530.90-228,731.55-73,669.30

Finding the Fourth Proportional to 152,530.90, 228,731.55 and 73,669.30

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Solution

The fourth proportional to 152,530.90, 228,731.55 and 73,669.30 is: 110,472.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,530.90 : 228,731.55 = 73,669.30 : x
  2. Step 2: Convert to fraction form
    152,530.90/228,731.55 = 73,669.30/x
  3. Step 3: Cross multiply
    152,530.90x = 228,731.55 × 73,669.30
  4. Step 4: Simplify right side
    152,530.90x = 16,850,493,176.42
  5. Step 5: Solve for x
    x = 16,850,493,176.42/152,530.90
  6. Step 6: Final answer
    x = 110,472.65

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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.