Home / 186,638.90-257,565.57-104,968.73

Finding the Fourth Proportional to 186,638.90, 257,565.57 and 104,968.73

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Solution

The fourth proportional to 186,638.90, 257,565.57 and 104,968.73 is: 144,859.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,638.90 : 257,565.57 = 104,968.73 : x
  2. Step 2: Convert to fraction form
    186,638.90/257,565.57 = 104,968.73/x
  3. Step 3: Cross multiply
    186,638.90x = 257,565.57 × 104,968.73
  4. Step 4: Simplify right side
    186,638.90x = 27,036,330,774.63
  5. Step 5: Solve for x
    x = 27,036,330,774.63/186,638.90
  6. Step 6: Final answer
    x = 144,859.03

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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.