Home / 141,813.44-195,703.84-78,153.52

Finding the Fourth Proportional to 141,813.44, 195,703.84 and 78,153.52

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Solution

The fourth proportional to 141,813.44, 195,703.84 and 78,153.52 is: 107,852.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,813.44 : 195,703.84 = 78,153.52 : x
  2. Step 2: Convert to fraction form
    141,813.44/195,703.84 = 78,153.52/x
  3. Step 3: Cross multiply
    141,813.44x = 195,703.84 × 78,153.52
  4. Step 4: Simplify right side
    141,813.44x = 15,294,943,973.52
  5. Step 5: Solve for x
    x = 15,294,943,973.52/141,813.44
  6. Step 6: Final answer
    x = 107,852.57

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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.