Home / 141,360.40-195,250.44-105,709

Finding the Fourth Proportional to 141,360.40, 195,250.44 and 105,709

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Solution

The fourth proportional to 141,360.40, 195,250.44 and 105,709 is: 146,007.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,360.40 : 195,250.44 = 105,709 : x
  2. Step 2: Convert to fraction form
    141,360.40/195,250.44 = 105,709/x
  3. Step 3: Cross multiply
    141,360.40x = 195,250.44 × 105,709
  4. Step 4: Simplify right side
    141,360.40x = 20,639,728,761.96
  5. Step 5: Solve for x
    x = 20,639,728,761.96/141,360.40
  6. Step 6: Final answer
    x = 146,007.85

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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.