Home / 455,965.61-683,962.27-156,441.96

Finding the Fourth Proportional to 455,965.61, 683,962.27 and 156,441.96

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Solution

The fourth proportional to 455,965.61, 683,962.27 and 156,441.96 is: 234,667.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,965.61 : 683,962.27 = 156,441.96 : x
  2. Step 2: Convert to fraction form
    455,965.61/683,962.27 = 156,441.96/x
  3. Step 3: Cross multiply
    455,965.61x = 683,962.27 × 156,441.96
  4. Step 4: Simplify right side
    455,965.61x = 107,000,397,693.74
  5. Step 5: Solve for x
    x = 107,000,397,693.74/455,965.61
  6. Step 6: Final answer
    x = 234,667.70

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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.