Home / 186,324.48-257,119.20-101,441.28

Finding the Fourth Proportional to 186,324.48, 257,119.20 and 101,441.28

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Solution

The fourth proportional to 186,324.48, 257,119.20 and 101,441.28 is: 139,984.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,324.48 : 257,119.20 = 101,441.28 : x
  2. Step 2: Convert to fraction form
    186,324.48/257,119.20 = 101,441.28/x
  3. Step 3: Cross multiply
    186,324.48x = 257,119.20 × 101,441.28
  4. Step 4: Simplify right side
    186,324.48x = 26,082,500,760.58
  5. Step 5: Solve for x
    x = 26,082,500,760.58/186,324.48
  6. Step 6: Final answer
    x = 139,984.29

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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.