Home / 301,194.72-415,681.44-192,399.18

Finding the Fourth Proportional to 301,194.72, 415,681.44 and 192,399.18

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Solution

The fourth proportional to 301,194.72, 415,681.44 and 192,399.18 is: 265,531.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,194.72 : 415,681.44 = 192,399.18 : x
  2. Step 2: Convert to fraction form
    301,194.72/415,681.44 = 192,399.18/x
  3. Step 3: Cross multiply
    301,194.72x = 415,681.44 × 192,399.18
  4. Step 4: Simplify right side
    301,194.72x = 79,976,768,197.22
  5. Step 5: Solve for x
    x = 79,976,768,197.22/301,194.72
  6. Step 6: Final answer
    x = 265,531.77

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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.