Home / 340,321.50-469,643.67-189,415.26

Finding the Fourth Proportional to 340,321.50, 469,643.67 and 189,415.26

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Solution

The fourth proportional to 340,321.50, 469,643.67 and 189,415.26 is: 261,393.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,321.50 : 469,643.67 = 189,415.26 : x
  2. Step 2: Convert to fraction form
    340,321.50/469,643.67 = 189,415.26/x
  3. Step 3: Cross multiply
    340,321.50x = 469,643.67 × 189,415.26
  4. Step 4: Simplify right side
    340,321.50x = 88,957,677,860.40
  5. Step 5: Solve for x
    x = 88,957,677,860.40/340,321.50
  6. Step 6: Final answer
    x = 261,393.06

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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.