Home / 307,518.60-461,261.50-82,875.43

Finding the Fourth Proportional to 307,518.60, 461,261.50 and 82,875.43

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Solution

The fourth proportional to 307,518.60, 461,261.50 and 82,875.43 is: 124,308.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,518.60 : 461,261.50 = 82,875.43 : x
  2. Step 2: Convert to fraction form
    307,518.60/461,261.50 = 82,875.43/x
  3. Step 3: Cross multiply
    307,518.60x = 461,261.50 × 82,875.43
  4. Step 4: Simplify right side
    307,518.60x = 38,227,245,524.33
  5. Step 5: Solve for x
    x = 38,227,245,524.33/307,518.60
  6. Step 6: Final answer
    x = 124,308.72

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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.