Home / 190,382.71-262,729.71-105,501.19

Finding the Fourth Proportional to 190,382.71, 262,729.71 and 105,501.19

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Solution

The fourth proportional to 190,382.71, 262,729.71 and 105,501.19 is: 145,592.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,382.71 : 262,729.71 = 105,501.19 : x
  2. Step 2: Convert to fraction form
    190,382.71/262,729.71 = 105,501.19/x
  3. Step 3: Cross multiply
    190,382.71x = 262,729.71 × 105,501.19
  4. Step 4: Simplify right side
    190,382.71x = 27,718,297,053.35
  5. Step 5: Solve for x
    x = 27,718,297,053.35/190,382.71
  6. Step 6: Final answer
    x = 145,592.51

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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.