Home / 219,540.68-302,958.43-124,045.32

Finding the Fourth Proportional to 219,540.68, 302,958.43 and 124,045.32

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Solution

The fourth proportional to 219,540.68, 302,958.43 and 124,045.32 is: 171,178.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,540.68 : 302,958.43 = 124,045.32 : x
  2. Step 2: Convert to fraction form
    219,540.68/302,958.43 = 124,045.32/x
  3. Step 3: Cross multiply
    219,540.68x = 302,958.43 × 124,045.32
  4. Step 4: Simplify right side
    219,540.68x = 37,580,576,222.03
  5. Step 5: Solve for x
    x = 37,580,576,222.03/219,540.68
  6. Step 6: Final answer
    x = 171,178.19

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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.