Home / 336,531.12-504,785.64-136,792.56

Finding the Fourth Proportional to 336,531.12, 504,785.64 and 136,792.56

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Solution

The fourth proportional to 336,531.12, 504,785.64 and 136,792.56 is: 205,184.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,531.12 : 504,785.64 = 136,792.56 : x
  2. Step 2: Convert to fraction form
    336,531.12/504,785.64 = 136,792.56/x
  3. Step 3: Cross multiply
    336,531.12x = 504,785.64 × 136,792.56
  4. Step 4: Simplify right side
    336,531.12x = 69,050,919,946.84
  5. Step 5: Solve for x
    x = 69,050,919,946.84/336,531.12
  6. Step 6: Final answer
    x = 205,184.35

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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.