Home / 161,611.06-223,029.84-89,986.54

Finding the Fourth Proportional to 161,611.06, 223,029.84 and 89,986.54

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Solution

The fourth proportional to 161,611.06, 223,029.84 and 89,986.54 is: 124,185.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,611.06 : 223,029.84 = 89,986.54 : x
  2. Step 2: Convert to fraction form
    161,611.06/223,029.84 = 89,986.54/x
  3. Step 3: Cross multiply
    161,611.06x = 223,029.84 × 89,986.54
  4. Step 4: Simplify right side
    161,611.06x = 20,069,683,618.35
  5. Step 5: Solve for x
    x = 20,069,683,618.35/161,611.06
  6. Step 6: Final answer
    x = 124,185.09

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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.