Home / 411,173.10-616,762.62-144,938.52

Finding the Fourth Proportional to 411,173.10, 616,762.62 and 144,938.52

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Solution

The fourth proportional to 411,173.10, 616,762.62 and 144,938.52 is: 217,408.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,173.10 : 616,762.62 = 144,938.52 : x
  2. Step 2: Convert to fraction form
    411,173.10/616,762.62 = 144,938.52/x
  3. Step 3: Cross multiply
    411,173.10x = 616,762.62 × 144,938.52
  4. Step 4: Simplify right side
    411,173.10x = 89,392,661,334.12
  5. Step 5: Solve for x
    x = 89,392,661,334.12/411,173.10
  6. Step 6: Final answer
    x = 217,408.83

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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.