Home / 455,948.42-683,936.44-156,424.66

Finding the Fourth Proportional to 455,948.42, 683,936.44 and 156,424.66

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Solution

The fourth proportional to 455,948.42, 683,936.44 and 156,424.66 is: 234,641.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,948.42 : 683,936.44 = 156,424.66 : x
  2. Step 2: Convert to fraction form
    455,948.42/683,936.44 = 156,424.66/x
  3. Step 3: Cross multiply
    455,948.42x = 683,936.44 × 156,424.66
  4. Step 4: Simplify right side
    455,948.42x = 106,984,522,987.71
  5. Step 5: Solve for x
    x = 106,984,522,987.71/455,948.42
  6. Step 6: Final answer
    x = 234,641.73

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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.