Home / 186,273.81-257,050.73-105,696.53

Finding the Fourth Proportional to 186,273.81, 257,050.73 and 105,696.53

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Solution

The fourth proportional to 186,273.81, 257,050.73 and 105,696.53 is: 145,857.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,273.81 : 257,050.73 = 105,696.53 : x
  2. Step 2: Convert to fraction form
    186,273.81/257,050.73 = 105,696.53/x
  3. Step 3: Cross multiply
    186,273.81x = 257,050.73 × 105,696.53
  4. Step 4: Simplify right side
    186,273.81x = 27,169,370,194.97
  5. Step 5: Solve for x
    x = 27,169,370,194.97/186,273.81
  6. Step 6: Final answer
    x = 145,857.17

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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.