Home / 457,145.16-685,827.23-190,757.49

Finding the Fourth Proportional to 457,145.16, 685,827.23 and 190,757.49

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Solution

The fourth proportional to 457,145.16, 685,827.23 and 190,757.49 is: 286,181.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,145.16 : 685,827.23 = 190,757.49 : x
  2. Step 2: Convert to fraction form
    457,145.16/685,827.23 = 190,757.49/x
  3. Step 3: Cross multiply
    457,145.16x = 685,827.23 × 190,757.49
  4. Step 4: Simplify right side
    457,145.16x = 130,826,680,968.45
  5. Step 5: Solve for x
    x = 130,826,680,968.45/457,145.16
  6. Step 6: Final answer
    x = 286,181.92

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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.