Home / 92,221.40-138,313.20-25,644.80

Finding the Fourth Proportional to 92,221.40, 138,313.20 and 25,644.80

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Solution

The fourth proportional to 92,221.40, 138,313.20 and 25,644.80 is: 38,461.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,221.40 : 138,313.20 = 25,644.80 : x
  2. Step 2: Convert to fraction form
    92,221.40/138,313.20 = 25,644.80/x
  3. Step 3: Cross multiply
    92,221.40x = 138,313.20 × 25,644.80
  4. Step 4: Simplify right side
    92,221.40x = 3,547,014,351.36
  5. Step 5: Solve for x
    x = 3,547,014,351.36/92,221.40
  6. Step 6: Final answer
    x = 38,461.94

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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.