Home / 120,002.10-179,614.35-106,005.30

Finding the Fourth Proportional to 120,002.10, 179,614.35 and 106,005.30

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Solution

The fourth proportional to 120,002.10, 179,614.35 and 106,005.30 is: 158,664.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,002.10 : 179,614.35 = 106,005.30 : x
  2. Step 2: Convert to fraction form
    120,002.10/179,614.35 = 106,005.30/x
  3. Step 3: Cross multiply
    120,002.10x = 179,614.35 × 106,005.30
  4. Step 4: Simplify right side
    120,002.10x = 19,040,073,056.06
  5. Step 5: Solve for x
    x = 19,040,073,056.06/120,002.10
  6. Step 6: Final answer
    x = 158,664.50

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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.