Home / 374,781.42-562,211.50-122,081.60

Finding the Fourth Proportional to 374,781.42, 562,211.50 and 122,081.60

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Solution

The fourth proportional to 374,781.42, 562,211.50 and 122,081.60 is: 183,135.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,781.42 : 562,211.50 = 122,081.60 : x
  2. Step 2: Convert to fraction form
    374,781.42/562,211.50 = 122,081.60/x
  3. Step 3: Cross multiply
    374,781.42x = 562,211.50 × 122,081.60
  4. Step 4: Simplify right side
    374,781.42x = 68,635,679,458.40
  5. Step 5: Solve for x
    x = 68,635,679,458.40/374,781.42
  6. Step 6: Final answer
    x = 183,135.22

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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.