Home / 141,396.33-195,127.62-77,738.25

Finding the Fourth Proportional to 141,396.33, 195,127.62 and 77,738.25

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Solution

The fourth proportional to 141,396.33, 195,127.62 and 77,738.25 is: 107,279.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,396.33 : 195,127.62 = 77,738.25 : x
  2. Step 2: Convert to fraction form
    141,396.33/195,127.62 = 77,738.25/x
  3. Step 3: Cross multiply
    141,396.33x = 195,127.62 × 77,738.25
  4. Step 4: Simplify right side
    141,396.33x = 15,168,879,705.47
  5. Step 5: Solve for x
    x = 15,168,879,705.47/141,396.33
  6. Step 6: Final answer
    x = 107,279.16

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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.