Home / 457,132.41-685,808.10-190,744.74

Finding the Fourth Proportional to 457,132.41, 685,808.10 and 190,744.74

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Solution

The fourth proportional to 457,132.41, 685,808.10 and 190,744.74 is: 286,162.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,132.41 : 685,808.10 = 190,744.74 : x
  2. Step 2: Convert to fraction form
    457,132.41/685,808.10 = 190,744.74/x
  3. Step 3: Cross multiply
    457,132.41x = 685,808.10 × 190,744.74
  4. Step 4: Simplify right side
    457,132.41x = 130,814,287,724.39
  5. Step 5: Solve for x
    x = 130,814,287,724.39/457,132.41
  6. Step 6: Final answer
    x = 286,162.79

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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.