Home / 343,589.03-474,136.79-190,625.58

Finding the Fourth Proportional to 343,589.03, 474,136.79 and 190,625.58

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Solution

The fourth proportional to 343,589.03, 474,136.79 and 190,625.58 is: 263,054.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,589.03 : 474,136.79 = 190,625.58 : x
  2. Step 2: Convert to fraction form
    343,589.03/474,136.79 = 190,625.58/x
  3. Step 3: Cross multiply
    343,589.03x = 474,136.79 × 190,625.58
  4. Step 4: Simplify right side
    343,589.03x = 90,382,599,639.96
  5. Step 5: Solve for x
    x = 90,382,599,639.96/343,589.03
  6. Step 6: Final answer
    x = 263,054.38

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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.