Home / 141,698.34-195,488.13-81,236.70

Finding the Fourth Proportional to 141,698.34, 195,488.13 and 81,236.70

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Solution

The fourth proportional to 141,698.34, 195,488.13 and 81,236.70 is: 112,074.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,698.34 : 195,488.13 = 81,236.70 : x
  2. Step 2: Convert to fraction form
    141,698.34/195,488.13 = 81,236.70/x
  3. Step 3: Cross multiply
    141,698.34x = 195,488.13 × 81,236.70
  4. Step 4: Simplify right side
    141,698.34x = 15,880,810,570.37
  5. Step 5: Solve for x
    x = 15,880,810,570.37/141,698.34
  6. Step 6: Final answer
    x = 112,074.78

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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.