Home / 219,639.44-303,099.72-119,035.28

Finding the Fourth Proportional to 219,639.44, 303,099.72 and 119,035.28

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Solution

The fourth proportional to 219,639.44, 303,099.72 and 119,035.28 is: 164,267.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,639.44 : 303,099.72 = 119,035.28 : x
  2. Step 2: Convert to fraction form
    219,639.44/303,099.72 = 119,035.28/x
  3. Step 3: Cross multiply
    219,639.44x = 303,099.72 × 119,035.28
  4. Step 4: Simplify right side
    219,639.44x = 36,079,560,038.12
  5. Step 5: Solve for x
    x = 36,079,560,038.12/219,639.44
  6. Step 6: Final answer
    x = 164,267.22

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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.