Home / 186,630.75-257,556.92-106,061.67

Finding the Fourth Proportional to 186,630.75, 257,556.92 and 106,061.67

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Solution

The fourth proportional to 186,630.75, 257,556.92 and 106,061.67 is: 146,368.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,630.75 : 257,556.92 = 106,061.67 : x
  2. Step 2: Convert to fraction form
    186,630.75/257,556.92 = 106,061.67/x
  3. Step 3: Cross multiply
    186,630.75x = 257,556.92 × 106,061.67
  4. Step 4: Simplify right side
    186,630.75x = 27,316,916,524.95
  5. Step 5: Solve for x
    x = 27,316,916,524.95/186,630.75
  6. Step 6: Final answer
    x = 146,368.79

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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.