Home / 141,693.75-195,534.41-78,032.07

Finding the Fourth Proportional to 141,693.75, 195,534.41 and 78,032.07

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Solution

The fourth proportional to 141,693.75, 195,534.41 and 78,032.07 is: 107,682.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,693.75 : 195,534.41 = 78,032.07 : x
  2. Step 2: Convert to fraction form
    141,693.75/195,534.41 = 78,032.07/x
  3. Step 3: Cross multiply
    141,693.75x = 195,534.41 × 78,032.07
  4. Step 4: Simplify right side
    141,693.75x = 15,257,954,378.37
  5. Step 5: Solve for x
    x = 15,257,954,378.37/141,693.75
  6. Step 6: Final answer
    x = 107,682.62

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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.