Home / 213,546.24-320,319.32-195,726.80

Finding the Fourth Proportional to 213,546.24, 320,319.32 and 195,726.80

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Solution

The fourth proportional to 213,546.24, 320,319.32 and 195,726.80 is: 293,590.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,546.24 : 320,319.32 = 195,726.80 : x
  2. Step 2: Convert to fraction form
    213,546.24/320,319.32 = 195,726.80/x
  3. Step 3: Cross multiply
    213,546.24x = 320,319.32 × 195,726.80
  4. Step 4: Simplify right side
    213,546.24x = 62,695,075,303.94
  5. Step 5: Solve for x
    x = 62,695,075,303.94/213,546.24
  6. Step 6: Final answer
    x = 293,590.16

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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.