Home / 268,302.30-402,453.45-173,823.90

Finding the Fourth Proportional to 268,302.30, 402,453.45 and 173,823.90

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Solution

The fourth proportional to 268,302.30, 402,453.45 and 173,823.90 is: 260,735.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,302.30 : 402,453.45 = 173,823.90 : x
  2. Step 2: Convert to fraction form
    268,302.30/402,453.45 = 173,823.90/x
  3. Step 3: Cross multiply
    268,302.30x = 402,453.45 × 173,823.90
  4. Step 4: Simplify right side
    268,302.30x = 69,956,028,247.46
  5. Step 5: Solve for x
    x = 69,956,028,247.46/268,302.30
  6. Step 6: Final answer
    x = 260,735.85

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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.