Home / 186,883.30-257,891.73-102,000.36

Finding the Fourth Proportional to 186,883.30, 257,891.73 and 102,000.36

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Solution

The fourth proportional to 186,883.30, 257,891.73 and 102,000.36 is: 140,756.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,883.30 : 257,891.73 = 102,000.36 : x
  2. Step 2: Convert to fraction form
    186,883.30/257,891.73 = 102,000.36/x
  3. Step 3: Cross multiply
    186,883.30x = 257,891.73 × 102,000.36
  4. Step 4: Simplify right side
    186,883.30x = 26,305,049,301.02
  5. Step 5: Solve for x
    x = 26,305,049,301.02/186,883.30
  6. Step 6: Final answer
    x = 140,756.56

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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.