Home / 141,250.87-194,927.62-76,720.73

Finding the Fourth Proportional to 141,250.87, 194,927.62 and 76,720.73

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Solution

The fourth proportional to 141,250.87, 194,927.62 and 76,720.73 is: 105,875.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,250.87 : 194,927.62 = 76,720.73 : x
  2. Step 2: Convert to fraction form
    141,250.87/194,927.62 = 76,720.73/x
  3. Step 3: Cross multiply
    141,250.87x = 194,927.62 × 76,720.73
  4. Step 4: Simplify right side
    141,250.87x = 14,954,989,303.56
  5. Step 5: Solve for x
    x = 14,954,989,303.56/141,250.87
  6. Step 6: Final answer
    x = 105,875.38

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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.