Home / 336,788.96-505,222.08-156,781.04

Finding the Fourth Proportional to 336,788.96, 505,222.08 and 156,781.04

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Solution

The fourth proportional to 336,788.96, 505,222.08 and 156,781.04 is: 235,189.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,788.96 : 505,222.08 = 156,781.04 : x
  2. Step 2: Convert to fraction form
    336,788.96/505,222.08 = 156,781.04/x
  3. Step 3: Cross multiply
    336,788.96x = 505,222.08 × 156,781.04
  4. Step 4: Simplify right side
    336,788.96x = 79,209,243,133.36
  5. Step 5: Solve for x
    x = 79,209,243,133.36/336,788.96
  6. Step 6: Final answer
    x = 235,189.55

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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.