Home / 141,148.85-194,785.61-76,618.05

Finding the Fourth Proportional to 141,148.85, 194,785.61 and 76,618.05

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Solution

The fourth proportional to 141,148.85, 194,785.61 and 76,618.05 is: 105,733.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,148.85 : 194,785.61 = 76,618.05 : x
  2. Step 2: Convert to fraction form
    141,148.85/194,785.61 = 76,618.05/x
  3. Step 3: Cross multiply
    141,148.85x = 194,785.61 × 76,618.05
  4. Step 4: Simplify right side
    141,148.85x = 14,924,093,606.26
  5. Step 5: Solve for x
    x = 14,924,093,606.26/141,148.85
  6. Step 6: Final answer
    x = 105,733.02

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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.