Home / 186,358.24-257,181.42-105,789.16

Finding the Fourth Proportional to 186,358.24, 257,181.42 and 105,789.16

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Solution

The fourth proportional to 186,358.24, 257,181.42 and 105,789.16 is: 145,993.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,358.24 : 257,181.42 = 105,789.16 : x
  2. Step 2: Convert to fraction form
    186,358.24/257,181.42 = 105,789.16/x
  3. Step 3: Cross multiply
    186,358.24x = 257,181.42 × 105,789.16
  4. Step 4: Simplify right side
    186,358.24x = 27,207,006,389.41
  5. Step 5: Solve for x
    x = 27,207,006,389.41/186,358.24
  6. Step 6: Final answer
    x = 145,993.04

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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.