Home / 219,513.08-302,927.38-124,019.75

Finding the Fourth Proportional to 219,513.08, 302,927.38 and 124,019.75

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Solution

The fourth proportional to 219,513.08, 302,927.38 and 124,019.75 is: 171,146.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,513.08 : 302,927.38 = 124,019.75 : x
  2. Step 2: Convert to fraction form
    219,513.08/302,927.38 = 124,019.75/x
  3. Step 3: Cross multiply
    219,513.08x = 302,927.38 × 124,019.75
  4. Step 4: Simplify right side
    219,513.08x = 37,568,978,383.02
  5. Step 5: Solve for x
    x = 37,568,978,383.02/219,513.08
  6. Step 6: Final answer
    x = 171,146.88

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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.