Home / 141,158.14-194,797.38-76,628.68

Finding the Fourth Proportional to 141,158.14, 194,797.38 and 76,628.68

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Solution

The fourth proportional to 141,158.14, 194,797.38 and 76,628.68 is: 105,747.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,158.14 : 194,797.38 = 76,628.68 : x
  2. Step 2: Convert to fraction form
    141,158.14/194,797.38 = 76,628.68/x
  3. Step 3: Cross multiply
    141,158.14x = 194,797.38 × 76,628.68
  4. Step 4: Simplify right side
    141,158.14x = 14,927,066,096.86
  5. Step 5: Solve for x
    x = 14,927,066,096.86/141,158.14
  6. Step 6: Final answer
    x = 105,747.12

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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.