Home / 186,904.30-257,927.87-102,021.36

Finding the Fourth Proportional to 186,904.30, 257,927.87 and 102,021.36

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Solution

The fourth proportional to 186,904.30, 257,927.87 and 102,021.36 is: 140,789.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,904.30 : 257,927.87 = 102,021.36 : x
  2. Step 2: Convert to fraction form
    186,904.30/257,927.87 = 102,021.36/x
  3. Step 3: Cross multiply
    186,904.30x = 257,927.87 × 102,021.36
  4. Step 4: Simplify right side
    186,904.30x = 26,314,151,569.20
  5. Step 5: Solve for x
    x = 26,314,151,569.20/186,904.30
  6. Step 6: Final answer
    x = 140,789.44

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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.