Home / 186,230.27-257,003.61-105,661.19

Finding the Fourth Proportional to 186,230.27, 257,003.61 and 105,661.19

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Solution

The fourth proportional to 186,230.27, 257,003.61 and 105,661.19 is: 145,815.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,230.27 : 257,003.61 = 105,661.19 : x
  2. Step 2: Convert to fraction form
    186,230.27/257,003.61 = 105,661.19/x
  3. Step 3: Cross multiply
    186,230.27x = 257,003.61 × 105,661.19
  4. Step 4: Simplify right side
    186,230.27x = 27,155,307,513.18
  5. Step 5: Solve for x
    x = 27,155,307,513.18/186,230.27
  6. Step 6: Final answer
    x = 145,815.75

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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.