Home / 186,939.59-257,966.88-102,040.25

Finding the Fourth Proportional to 186,939.59, 257,966.88 and 102,040.25

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Solution

The fourth proportional to 186,939.59, 257,966.88 and 102,040.25 is: 140,810.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,939.59 : 257,966.88 = 102,040.25 : x
  2. Step 2: Convert to fraction form
    186,939.59/257,966.88 = 102,040.25/x
  3. Step 3: Cross multiply
    186,939.59x = 257,966.88 × 102,040.25
  4. Step 4: Simplify right side
    186,939.59x = 26,323,004,416.72
  5. Step 5: Solve for x
    x = 26,323,004,416.72/186,939.59
  6. Step 6: Final answer
    x = 140,810.22

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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.