Home / 367,543.36-551,172.28-142,874.07

Finding the Fourth Proportional to 367,543.36, 551,172.28 and 142,874.07

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Solution

The fourth proportional to 367,543.36, 551,172.28 and 142,874.07 is: 214,255.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,543.36 : 551,172.28 = 142,874.07 : x
  2. Step 2: Convert to fraction form
    367,543.36/551,172.28 = 142,874.07/x
  3. Step 3: Cross multiply
    367,543.36x = 551,172.28 × 142,874.07
  4. Step 4: Simplify right side
    367,543.36x = 78,748,226,914.78
  5. Step 5: Solve for x
    x = 78,748,226,914.78/367,543.36
  6. Step 6: Final answer
    x = 214,255.61

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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.