Home / 219,538.08-303,012.24-124,100.16

Finding the Fourth Proportional to 219,538.08, 303,012.24 and 124,100.16

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Solution

The fourth proportional to 219,538.08, 303,012.24 and 124,100.16 is: 171,286.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,538.08 : 303,012.24 = 124,100.16 : x
  2. Step 2: Convert to fraction form
    219,538.08/303,012.24 = 124,100.16/x
  3. Step 3: Cross multiply
    219,538.08x = 303,012.24 × 124,100.16
  4. Step 4: Simplify right side
    219,538.08x = 37,603,867,465.96
  5. Step 5: Solve for x
    x = 37,603,867,465.96/219,538.08
  6. Step 6: Final answer
    x = 171,286.31

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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.