Home / 302,884.15-417,981.77-173,812.34

Finding the Fourth Proportional to 302,884.15, 417,981.77 and 173,812.34

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Solution

The fourth proportional to 302,884.15, 417,981.77 and 173,812.34 is: 239,861.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,884.15 : 417,981.77 = 173,812.34 : x
  2. Step 2: Convert to fraction form
    302,884.15/417,981.77 = 173,812.34/x
  3. Step 3: Cross multiply
    302,884.15x = 417,981.77 × 173,812.34
  4. Step 4: Simplify right side
    302,884.15x = 72,650,389,521.04
  5. Step 5: Solve for x
    x = 72,650,389,521.04/302,884.15
  6. Step 6: Final answer
    x = 239,861.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.