Home / 451,624.89-677,438.52-152,315.70

Finding the Fourth Proportional to 451,624.89, 677,438.52 and 152,315.70

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Solution

The fourth proportional to 451,624.89, 677,438.52 and 152,315.70 is: 228,473.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,624.89 : 677,438.52 = 152,315.70 : x
  2. Step 2: Convert to fraction form
    451,624.89/677,438.52 = 152,315.70/x
  3. Step 3: Cross multiply
    451,624.89x = 677,438.52 × 152,315.70
  4. Step 4: Simplify right side
    451,624.89x = 103,184,522,380.76
  5. Step 5: Solve for x
    x = 103,184,522,380.76/451,624.89
  6. Step 6: Final answer
    x = 228,473.95

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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.