Home / 186,401.73-257,237.31-101,518.72

Finding the Fourth Proportional to 186,401.73, 257,237.31 and 101,518.72

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Solution

The fourth proportional to 186,401.73, 257,237.31 and 101,518.72 is: 140,097.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,401.73 : 257,237.31 = 101,518.72 : x
  2. Step 2: Convert to fraction form
    186,401.73/257,237.31 = 101,518.72/x
  3. Step 3: Cross multiply
    186,401.73x = 257,237.31 × 101,518.72
  4. Step 4: Simplify right side
    186,401.73x = 26,114,402,447.44
  5. Step 5: Solve for x
    x = 26,114,402,447.44/186,401.73
  6. Step 6: Final answer
    x = 140,097.43

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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.