Home / 186,230.90-257,004.47-105,661.82

Finding the Fourth Proportional to 186,230.90, 257,004.47 and 105,661.82

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Solution

The fourth proportional to 186,230.90, 257,004.47 and 105,661.82 is: 145,816.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,230.90 : 257,004.47 = 105,661.82 : x
  2. Step 2: Convert to fraction form
    186,230.90/257,004.47 = 105,661.82/x
  3. Step 3: Cross multiply
    186,230.90x = 257,004.47 × 105,661.82
  4. Step 4: Simplify right side
    186,230.90x = 27,155,560,048.34
  5. Step 5: Solve for x
    x = 27,155,560,048.34/186,230.90
  6. Step 6: Final answer
    x = 145,816.62

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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.