Home / 457,036.43-685,618.49-190,735.97

Finding the Fourth Proportional to 457,036.43, 685,618.49 and 190,735.97

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Solution

The fourth proportional to 457,036.43, 685,618.49 and 190,735.97 is: 286,130.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,036.43 : 685,618.49 = 190,735.97 : x
  2. Step 2: Convert to fraction form
    457,036.43/685,618.49 = 190,735.97/x
  3. Step 3: Cross multiply
    457,036.43x = 685,618.49 × 190,735.97
  4. Step 4: Simplify right side
    457,036.43x = 130,772,107,740.09
  5. Step 5: Solve for x
    x = 130,772,107,740.09/457,036.43
  6. Step 6: Final answer
    x = 286,130.60

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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.