Home / 186,493.18-257,292.69-105,874.04

Finding the Fourth Proportional to 186,493.18, 257,292.69 and 105,874.04

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Solution

The fourth proportional to 186,493.18, 257,292.69 and 105,874.04 is: 146,067.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,493.18 : 257,292.69 = 105,874.04 : x
  2. Step 2: Convert to fraction form
    186,493.18/257,292.69 = 105,874.04/x
  3. Step 3: Cross multiply
    186,493.18x = 257,292.69 × 105,874.04
  4. Step 4: Simplify right side
    186,493.18x = 27,240,615,798.36
  5. Step 5: Solve for x
    x = 27,240,615,798.36/186,493.18
  6. Step 6: Final answer
    x = 146,067.63

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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.