Home / 345,648.16-477,022.86-190,629.77

Finding the Fourth Proportional to 345,648.16, 477,022.86 and 190,629.77

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Solution

The fourth proportional to 345,648.16, 477,022.86 and 190,629.77 is: 263,084.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,648.16 : 477,022.86 = 190,629.77 : x
  2. Step 2: Convert to fraction form
    345,648.16/477,022.86 = 190,629.77/x
  3. Step 3: Cross multiply
    345,648.16x = 477,022.86 × 190,629.77
  4. Step 4: Simplify right side
    345,648.16x = 90,934,758,086.54
  5. Step 5: Solve for x
    x = 90,934,758,086.54/345,648.16
  6. Step 6: Final answer
    x = 263,084.75

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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.