Home / 141,093.90-194,709.42-77,432.22

Finding the Fourth Proportional to 141,093.90, 194,709.42 and 77,432.22

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Solution

The fourth proportional to 141,093.90, 194,709.42 and 77,432.22 is: 106,856.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,093.90 : 194,709.42 = 77,432.22 : x
  2. Step 2: Convert to fraction form
    141,093.90/194,709.42 = 77,432.22/x
  3. Step 3: Cross multiply
    141,093.90x = 194,709.42 × 77,432.22
  4. Step 4: Simplify right side
    141,093.90x = 15,076,782,645.51
  5. Step 5: Solve for x
    x = 15,076,782,645.51/141,093.90
  6. Step 6: Final answer
    x = 106,856.37

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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.