Home / 129,933.40-194,900.10-122,060.20

Finding the Fourth Proportional to 129,933.40, 194,900.10 and 122,060.20

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Solution

The fourth proportional to 129,933.40, 194,900.10 and 122,060.20 is: 183,090.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,933.40 : 194,900.10 = 122,060.20 : x
  2. Step 2: Convert to fraction form
    129,933.40/194,900.10 = 122,060.20/x
  3. Step 3: Cross multiply
    129,933.40x = 194,900.10 × 122,060.20
  4. Step 4: Simplify right side
    129,933.40x = 23,789,545,186.02
  5. Step 5: Solve for x
    x = 23,789,545,186.02/129,933.40
  6. Step 6: Final answer
    x = 183,090.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.