Home / 268,941.60-403,426.98-100,506.15

Finding the Fourth Proportional to 268,941.60, 403,426.98 and 100,506.15

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Solution

The fourth proportional to 268,941.60, 403,426.98 and 100,506.15 is: 150,764.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,941.60 : 403,426.98 = 100,506.15 : x
  2. Step 2: Convert to fraction form
    268,941.60/403,426.98 = 100,506.15/x
  3. Step 3: Cross multiply
    268,941.60x = 403,426.98 × 100,506.15
  4. Step 4: Simplify right side
    268,941.60x = 40,546,892,565.93
  5. Step 5: Solve for x
    x = 40,546,892,565.93/268,941.60
  6. Step 6: Final answer
    x = 150,764.67

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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.