Home / 147,464.12-203,503.38-80,396.12

Finding the Fourth Proportional to 147,464.12, 203,503.38 and 80,396.12

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Solution

The fourth proportional to 147,464.12, 203,503.38 and 80,396.12 is: 110,948.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,464.12 : 203,503.38 = 80,396.12 : x
  2. Step 2: Convert to fraction form
    147,464.12/203,503.38 = 80,396.12/x
  3. Step 3: Cross multiply
    147,464.12x = 203,503.38 × 80,396.12
  4. Step 4: Simplify right side
    147,464.12x = 16,360,882,158.89
  5. Step 5: Solve for x
    x = 16,360,882,158.89/147,464.12
  6. Step 6: Final answer
    x = 110,948.22

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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.