Home / 260,473.14-390,204.15-191,960.25

Finding the Fourth Proportional to 260,473.14, 390,204.15 and 191,960.25

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Solution

The fourth proportional to 260,473.14, 390,204.15 and 191,960.25 is: 287,567.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,473.14 : 390,204.15 = 191,960.25 : x
  2. Step 2: Convert to fraction form
    260,473.14/390,204.15 = 191,960.25/x
  3. Step 3: Cross multiply
    260,473.14x = 390,204.15 × 191,960.25
  4. Step 4: Simplify right side
    260,473.14x = 74,903,686,185.04
  5. Step 5: Solve for x
    x = 74,903,686,185.04/260,473.14
  6. Step 6: Final answer
    x = 287,567.79

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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.