Home / 336,790.64-504,748.55-136,878.38

Finding the Fourth Proportional to 336,790.64, 504,748.55 and 136,878.38

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Solution

The fourth proportional to 336,790.64, 504,748.55 and 136,878.38 is: 205,139.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,790.64 : 504,748.55 = 136,878.38 : x
  2. Step 2: Convert to fraction form
    336,790.64/504,748.55 = 136,878.38/x
  3. Step 3: Cross multiply
    336,790.64x = 504,748.55 × 136,878.38
  4. Step 4: Simplify right side
    336,790.64x = 69,089,163,146.96
  5. Step 5: Solve for x
    x = 69,089,163,146.96/336,790.64
  6. Step 6: Final answer
    x = 205,139.80

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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.