Home / 171,138.23-256,741.58-52,805.13

Finding the Fourth Proportional to 171,138.23, 256,741.58 and 52,805.13

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Solution

The fourth proportional to 171,138.23, 256,741.58 and 52,805.13 is: 79,218.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,138.23 : 256,741.58 = 52,805.13 : x
  2. Step 2: Convert to fraction form
    171,138.23/256,741.58 = 52,805.13/x
  3. Step 3: Cross multiply
    171,138.23x = 256,741.58 × 52,805.13
  4. Step 4: Simplify right side
    171,138.23x = 13,557,270,960.57
  5. Step 5: Solve for x
    x = 13,557,270,960.57/171,138.23
  6. Step 6: Final answer
    x = 79,218.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.