Home / 230,861.40-346,302.90-73,102.20

Finding the Fourth Proportional to 230,861.40, 346,302.90 and 73,102.20

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Solution

The fourth proportional to 230,861.40, 346,302.90 and 73,102.20 is: 109,656.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,861.40 : 346,302.90 = 73,102.20 : x
  2. Step 2: Convert to fraction form
    230,861.40/346,302.90 = 73,102.20/x
  3. Step 3: Cross multiply
    230,861.40x = 346,302.90 × 73,102.20
  4. Step 4: Simplify right side
    230,861.40x = 25,315,503,856.38
  5. Step 5: Solve for x
    x = 25,315,503,856.38/230,861.40
  6. Step 6: Final answer
    x = 109,656.72

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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.