Home / 141,946.25-195,885.97-77,415.57

Finding the Fourth Proportional to 141,946.25, 195,885.97 and 77,415.57

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Solution

The fourth proportional to 141,946.25, 195,885.97 and 77,415.57 is: 106,833.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,946.25 : 195,885.97 = 77,415.57 : x
  2. Step 2: Convert to fraction form
    141,946.25/195,885.97 = 77,415.57/x
  3. Step 3: Cross multiply
    141,946.25x = 195,885.97 × 77,415.57
  4. Step 4: Simplify right side
    141,946.25x = 15,164,623,829.01
  5. Step 5: Solve for x
    x = 15,164,623,829.01/141,946.25
  6. Step 6: Final answer
    x = 106,833.57

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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.