Home / 141,158.45-194,798.79-76,627.64

Finding the Fourth Proportional to 141,158.45, 194,798.79 and 76,627.64

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Solution

The fourth proportional to 141,158.45, 194,798.79 and 76,627.64 is: 105,746.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,158.45 : 194,798.79 = 76,627.64 : x
  2. Step 2: Convert to fraction form
    141,158.45/194,798.79 = 76,627.64/x
  3. Step 3: Cross multiply
    141,158.45x = 194,798.79 × 76,627.64
  4. Step 4: Simplify right side
    141,158.45x = 14,926,972,039.55
  5. Step 5: Solve for x
    x = 14,926,972,039.55/141,158.45
  6. Step 6: Final answer
    x = 105,746.21

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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.