Home / 457,133.91-685,810.35-190,746.24

Finding the Fourth Proportional to 457,133.91, 685,810.35 and 190,746.24

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Solution

The fourth proportional to 457,133.91, 685,810.35 and 190,746.24 is: 286,165.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,133.91 : 685,810.35 = 190,746.24 : x
  2. Step 2: Convert to fraction form
    457,133.91/685,810.35 = 190,746.24/x
  3. Step 3: Cross multiply
    457,133.91x = 685,810.35 × 190,746.24
  4. Step 4: Simplify right side
    457,133.91x = 130,815,745,615.58
  5. Step 5: Solve for x
    x = 130,815,745,615.58/457,133.91
  6. Step 6: Final answer
    x = 286,165.04

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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.