Home / 209,143.22-313,457.85-96,671.27

Finding the Fourth Proportional to 209,143.22, 313,457.85 and 96,671.27

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Solution

The fourth proportional to 209,143.22, 313,457.85 and 96,671.27 is: 144,888.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,143.22 : 313,457.85 = 96,671.27 : x
  2. Step 2: Convert to fraction form
    209,143.22/313,457.85 = 96,671.27/x
  3. Step 3: Cross multiply
    209,143.22x = 313,457.85 × 96,671.27
  4. Step 4: Simplify right side
    209,143.22x = 30,302,369,234.61
  5. Step 5: Solve for x
    x = 30,302,369,234.61/209,143.22
  6. Step 6: Final answer
    x = 144,888.13

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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.