Home / 120,482.01-166,261.23-72,727.04

Finding the Fourth Proportional to 120,482.01, 166,261.23 and 72,727.04

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Solution

The fourth proportional to 120,482.01, 166,261.23 and 72,727.04 is: 100,360.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,482.01 : 166,261.23 = 72,727.04 : x
  2. Step 2: Convert to fraction form
    120,482.01/166,261.23 = 72,727.04/x
  3. Step 3: Cross multiply
    120,482.01x = 166,261.23 × 72,727.04
  4. Step 4: Simplify right side
    120,482.01x = 12,091,687,124.66
  5. Step 5: Solve for x
    x = 12,091,687,124.66/120,482.01
  6. Step 6: Final answer
    x = 100,360.93

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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.