Home / 160,403.49-221,412.12-92,447.58

Finding the Fourth Proportional to 160,403.49, 221,412.12 and 92,447.58

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Solution

The fourth proportional to 160,403.49, 221,412.12 and 92,447.58 is: 127,609.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,403.49 : 221,412.12 = 92,447.58 : x
  2. Step 2: Convert to fraction form
    160,403.49/221,412.12 = 92,447.58/x
  3. Step 3: Cross multiply
    160,403.49x = 221,412.12 × 92,447.58
  4. Step 4: Simplify right side
    160,403.49x = 20,469,014,676.67
  5. Step 5: Solve for x
    x = 20,469,014,676.67/160,403.49
  6. Step 6: Final answer
    x = 127,609.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.