Home / 457,154.16-685,840.73-190,766.49

Finding the Fourth Proportional to 457,154.16, 685,840.73 and 190,766.49

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Solution

The fourth proportional to 457,154.16, 685,840.73 and 190,766.49 is: 286,195.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,154.16 : 685,840.73 = 190,766.49 : x
  2. Step 2: Convert to fraction form
    457,154.16/685,840.73 = 190,766.49/x
  3. Step 3: Cross multiply
    457,154.16x = 685,840.73 × 190,766.49
  4. Step 4: Simplify right side
    457,154.16x = 130,835,427,807.31
  5. Step 5: Solve for x
    x = 130,835,427,807.31/457,154.16
  6. Step 6: Final answer
    x = 286,195.42

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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.