Home / 141,521.82-195,300.11-77,858.25

Finding the Fourth Proportional to 141,521.82, 195,300.11 and 77,858.25

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Solution

The fourth proportional to 141,521.82, 195,300.11 and 77,858.25 is: 107,444.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,521.82 : 195,300.11 = 77,858.25 : x
  2. Step 2: Convert to fraction form
    141,521.82/195,300.11 = 77,858.25/x
  3. Step 3: Cross multiply
    141,521.82x = 195,300.11 × 77,858.25
  4. Step 4: Simplify right side
    141,521.82x = 15,205,724,400.12
  5. Step 5: Solve for x
    x = 15,205,724,400.12/141,521.82
  6. Step 6: Final answer
    x = 107,444.38

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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.