Home / 186,563.19-257,449.56-105,981.81

Finding the Fourth Proportional to 186,563.19, 257,449.56 and 105,981.81

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Solution

The fourth proportional to 186,563.19, 257,449.56 and 105,981.81 is: 146,250.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,563.19 : 257,449.56 = 105,981.81 : x
  2. Step 2: Convert to fraction form
    186,563.19/257,449.56 = 105,981.81/x
  3. Step 3: Cross multiply
    186,563.19x = 257,449.56 × 105,981.81
  4. Step 4: Simplify right side
    186,563.19x = 27,284,970,352.50
  5. Step 5: Solve for x
    x = 27,284,970,352.50/186,563.19
  6. Step 6: Final answer
    x = 146,250.56

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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.