Home / 268,985.16-371,074.91-173,522.61

Finding the Fourth Proportional to 268,985.16, 371,074.91 and 173,522.61

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Solution

The fourth proportional to 268,985.16, 371,074.91 and 173,522.61 is: 239,380.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,985.16 : 371,074.91 = 173,522.61 : x
  2. Step 2: Convert to fraction form
    268,985.16/371,074.91 = 173,522.61/x
  3. Step 3: Cross multiply
    268,985.16x = 371,074.91 × 173,522.61
  4. Step 4: Simplify right side
    268,985.16x = 64,389,886,021.10
  5. Step 5: Solve for x
    x = 64,389,886,021.10/268,985.16
  6. Step 6: Final answer
    x = 239,380.81

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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.