Home / 160,840.23-221,941.60-89,202.30

Finding the Fourth Proportional to 160,840.23, 221,941.60 and 89,202.30

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Solution

The fourth proportional to 160,840.23, 221,941.60 and 89,202.30 is: 123,089.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,840.23 : 221,941.60 = 89,202.30 : x
  2. Step 2: Convert to fraction form
    160,840.23/221,941.60 = 89,202.30/x
  3. Step 3: Cross multiply
    160,840.23x = 221,941.60 × 89,202.30
  4. Step 4: Simplify right side
    160,840.23x = 19,797,701,185.68
  5. Step 5: Solve for x
    x = 19,797,701,185.68/160,840.23
  6. Step 6: Final answer
    x = 123,089.24

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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.