Home / 457,151.16-685,836.23-190,763.49

Finding the Fourth Proportional to 457,151.16, 685,836.23 and 190,763.49

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Solution

The fourth proportional to 457,151.16, 685,836.23 and 190,763.49 is: 286,190.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,151.16 : 685,836.23 = 190,763.49 : x
  2. Step 2: Convert to fraction form
    457,151.16/685,836.23 = 190,763.49/x
  3. Step 3: Cross multiply
    457,151.16x = 685,836.23 × 190,763.49
  4. Step 4: Simplify right side
    457,151.16x = 130,832,511,849.43
  5. Step 5: Solve for x
    x = 130,832,511,849.43/457,151.16
  6. Step 6: Final answer
    x = 286,190.92

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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.