Home / 160,490.55-221,474.23-88,869.03

Finding the Fourth Proportional to 160,490.55, 221,474.23 and 88,869.03

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Solution

The fourth proportional to 160,490.55, 221,474.23 and 88,869.03 is: 122,637.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,490.55 : 221,474.23 = 88,869.03 : x
  2. Step 2: Convert to fraction form
    160,490.55/221,474.23 = 88,869.03/x
  3. Step 3: Cross multiply
    160,490.55x = 221,474.23 × 88,869.03
  4. Step 4: Simplify right side
    160,490.55x = 19,682,199,990.10
  5. Step 5: Solve for x
    x = 19,682,199,990.10/160,490.55
  6. Step 6: Final answer
    x = 122,637.75

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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.