Home / 144,568.06-216,981.69-121,022.98

Finding the Fourth Proportional to 144,568.06, 216,981.69 and 121,022.98

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Solution

The fourth proportional to 144,568.06, 216,981.69 and 121,022.98 is: 181,642.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,568.06 : 216,981.69 = 121,022.98 : x
  2. Step 2: Convert to fraction form
    144,568.06/216,981.69 = 121,022.98/x
  3. Step 3: Cross multiply
    144,568.06x = 216,981.69 × 121,022.98
  4. Step 4: Simplify right side
    144,568.06x = 26,259,770,729.24
  5. Step 5: Solve for x
    x = 26,259,770,729.24/144,568.06
  6. Step 6: Final answer
    x = 181,642.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.