Home / 141,323.71-195,024.54-77,660.14

Finding the Fourth Proportional to 141,323.71, 195,024.54 and 77,660.14

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Solution

The fourth proportional to 141,323.71, 195,024.54 and 77,660.14 is: 107,169.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,323.71 : 195,024.54 = 77,660.14 : x
  2. Step 2: Convert to fraction form
    141,323.71/195,024.54 = 77,660.14/x
  3. Step 3: Cross multiply
    141,323.71x = 195,024.54 × 77,660.14
  4. Step 4: Simplify right side
    141,323.71x = 15,145,633,079.84
  5. Step 5: Solve for x
    x = 15,145,633,079.84/141,323.71
  6. Step 6: Final answer
    x = 107,169.80

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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.