Home / 260,046.56-390,083.34-82,567.46

Finding the Fourth Proportional to 260,046.56, 390,083.34 and 82,567.46

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Solution

The fourth proportional to 260,046.56, 390,083.34 and 82,567.46 is: 123,855.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,046.56 : 390,083.34 = 82,567.46 : x
  2. Step 2: Convert to fraction form
    260,046.56/390,083.34 = 82,567.46/x
  3. Step 3: Cross multiply
    260,046.56x = 390,083.34 × 82,567.46
  4. Step 4: Simplify right side
    260,046.56x = 32,208,190,572.12
  5. Step 5: Solve for x
    x = 32,208,190,572.12/260,046.56
  6. Step 6: Final answer
    x = 123,855.48

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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.