Home / 186,783.54-257,760.07-106,211.06

Finding the Fourth Proportional to 186,783.54, 257,760.07 and 106,211.06

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Solution

The fourth proportional to 186,783.54, 257,760.07 and 106,211.06 is: 146,570.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,783.54 : 257,760.07 = 106,211.06 : x
  2. Step 2: Convert to fraction form
    186,783.54/257,760.07 = 106,211.06/x
  3. Step 3: Cross multiply
    186,783.54x = 257,760.07 × 106,211.06
  4. Step 4: Simplify right side
    186,783.54x = 27,376,970,260.37
  5. Step 5: Solve for x
    x = 27,376,970,260.37/186,783.54
  6. Step 6: Final answer
    x = 146,570.57

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1.5x scale

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.