Home / 120,236.16-180,319.68-37,136.64

Finding the Fourth Proportional to 120,236.16, 180,319.68 and 37,136.64

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Solution

The fourth proportional to 120,236.16, 180,319.68 and 37,136.64 is: 55,694.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,236.16 : 180,319.68 = 37,136.64 : x
  2. Step 2: Convert to fraction form
    120,236.16/180,319.68 = 37,136.64/x
  3. Step 3: Cross multiply
    120,236.16x = 180,319.68 × 37,136.64
  4. Step 4: Simplify right side
    120,236.16x = 6,696,467,041.08
  5. Step 5: Solve for x
    x = 6,696,467,041.08/120,236.16
  6. Step 6: Final answer
    x = 55,694.29

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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.