Home / 160,399.03-221,347.98-88,777.54

Finding the Fourth Proportional to 160,399.03, 221,347.98 and 88,777.54

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Solution

The fourth proportional to 160,399.03, 221,347.98 and 88,777.54 is: 122,511.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,399.03 : 221,347.98 = 88,777.54 : x
  2. Step 2: Convert to fraction form
    160,399.03/221,347.98 = 88,777.54/x
  3. Step 3: Cross multiply
    160,399.03x = 221,347.98 × 88,777.54
  4. Step 4: Simplify right side
    160,399.03x = 19,650,729,148.37
  5. Step 5: Solve for x
    x = 19,650,729,148.37/160,399.03
  6. Step 6: Final answer
    x = 122,511.52

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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.