Home / 457,232.69-685,738.27-190,848.80

Finding the Fourth Proportional to 457,232.69, 685,738.27 and 190,848.80

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Solution

The fourth proportional to 457,232.69, 685,738.27 and 190,848.80 is: 286,226.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,232.69 : 685,738.27 = 190,848.80 : x
  2. Step 2: Convert to fraction form
    457,232.69/685,738.27 = 190,848.80/x
  3. Step 3: Cross multiply
    457,232.69x = 685,738.27 × 190,848.80
  4. Step 4: Simplify right side
    457,232.69x = 130,872,325,943.58
  5. Step 5: Solve for x
    x = 130,872,325,943.58/457,232.69
  6. Step 6: Final answer
    x = 286,226.97

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1.5x scale

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.