Home / 141,223.56-195,015-105,351.24

Finding the Fourth Proportional to 141,223.56, 195,015 and 105,351.24

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Solution

The fourth proportional to 141,223.56, 195,015 and 105,351.24 is: 145,479.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,223.56 : 195,015 = 105,351.24 : x
  2. Step 2: Convert to fraction form
    141,223.56/195,015 = 105,351.24/x
  3. Step 3: Cross multiply
    141,223.56x = 195,015 × 105,351.24
  4. Step 4: Simplify right side
    141,223.56x = 20,545,072,068.60
  5. Step 5: Solve for x
    x = 20,545,072,068.60/141,223.56
  6. Step 6: Final answer
    x = 145,479.07

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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.