Home / 141,219.70-194,882.42-76,688.36

Finding the Fourth Proportional to 141,219.70, 194,882.42 and 76,688.36

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Solution

The fourth proportional to 141,219.70, 194,882.42 and 76,688.36 is: 105,829.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,219.70 : 194,882.42 = 76,688.36 : x
  2. Step 2: Convert to fraction form
    141,219.70/194,882.42 = 76,688.36/x
  3. Step 3: Cross multiply
    141,219.70x = 194,882.42 × 76,688.36
  4. Step 4: Simplify right side
    141,219.70x = 14,945,213,130.75
  5. Step 5: Solve for x
    x = 14,945,213,130.75/141,219.70
  6. Step 6: Final answer
    x = 105,829.52

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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.