Home / 186,939.44-257,966.66-102,040.10

Finding the Fourth Proportional to 186,939.44, 257,966.66 and 102,040.10

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Solution

The fourth proportional to 186,939.44, 257,966.66 and 102,040.10 is: 140,810.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,939.44 : 257,966.66 = 102,040.10 : x
  2. Step 2: Convert to fraction form
    186,939.44/257,966.66 = 102,040.10/x
  3. Step 3: Cross multiply
    186,939.44x = 257,966.66 × 102,040.10
  4. Step 4: Simplify right side
    186,939.44x = 26,322,942,748.33
  5. Step 5: Solve for x
    x = 26,322,942,748.33/186,939.44
  6. Step 6: Final answer
    x = 140,810.00

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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.