Home / 141,254.28-194,783.94-105,387.48

Finding the Fourth Proportional to 141,254.28, 194,783.94 and 105,387.48

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Solution

The fourth proportional to 141,254.28, 194,783.94 and 105,387.48 is: 145,325.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,254.28 : 194,783.94 = 105,387.48 : x
  2. Step 2: Convert to fraction form
    141,254.28/194,783.94 = 105,387.48/x
  3. Step 3: Cross multiply
    141,254.28x = 194,783.94 × 105,387.48
  4. Step 4: Simplify right side
    141,254.28x = 20,527,788,581.07
  5. Step 5: Solve for x
    x = 20,527,788,581.07/141,254.28
  6. Step 6: Final answer
    x = 145,325.07

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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.