Home / 141,242.51-194,913.83-76,711.02

Finding the Fourth Proportional to 141,242.51, 194,913.83 and 76,711.02

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Solution

The fourth proportional to 141,242.51, 194,913.83 and 76,711.02 is: 105,860.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,242.51 : 194,913.83 = 76,711.02 : x
  2. Step 2: Convert to fraction form
    141,242.51/194,913.83 = 76,711.02/x
  3. Step 3: Cross multiply
    141,242.51x = 194,913.83 × 76,711.02
  4. Step 4: Simplify right side
    141,242.51x = 14,952,038,327.85
  5. Step 5: Solve for x
    x = 14,952,038,327.85/141,242.51
  6. Step 6: Final answer
    x = 105,860.76

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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.