Home / 186,399.23-257,237.37-105,824.07

Finding the Fourth Proportional to 186,399.23, 257,237.37 and 105,824.07

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Solution

The fourth proportional to 186,399.23, 257,237.37 and 105,824.07 is: 146,040.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,399.23 : 257,237.37 = 105,824.07 : x
  2. Step 2: Convert to fraction form
    186,399.23/257,237.37 = 105,824.07/x
  3. Step 3: Cross multiply
    186,399.23x = 257,237.37 × 105,824.07
  4. Step 4: Simplify right side
    186,399.23x = 27,221,905,449.50
  5. Step 5: Solve for x
    x = 27,221,905,449.50/186,399.23
  6. Step 6: Final answer
    x = 146,040.87

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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.