Home / 319,790.16-441,368.19-190,736.91

Finding the Fourth Proportional to 319,790.16, 441,368.19 and 190,736.91

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Solution

The fourth proportional to 319,790.16, 441,368.19 and 190,736.91 is: 263,251.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,790.16 : 441,368.19 = 190,736.91 : x
  2. Step 2: Convert to fraction form
    319,790.16/441,368.19 = 190,736.91/x
  3. Step 3: Cross multiply
    319,790.16x = 441,368.19 × 190,736.91
  4. Step 4: Simplify right side
    319,790.16x = 84,185,204,732.89
  5. Step 5: Solve for x
    x = 84,185,204,732.89/319,790.16
  6. Step 6: Final answer
    x = 263,251.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.