Home / 186,988.20-258,064.02-115,366.36

Finding the Fourth Proportional to 186,988.20, 258,064.02 and 115,366.36

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Solution

The fourth proportional to 186,988.20, 258,064.02 and 115,366.36 is: 159,218.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,988.20 : 258,064.02 = 115,366.36 : x
  2. Step 2: Convert to fraction form
    186,988.20/258,064.02 = 115,366.36/x
  3. Step 3: Cross multiply
    186,988.20x = 258,064.02 × 115,366.36
  4. Step 4: Simplify right side
    186,988.20x = 29,771,906,634.37
  5. Step 5: Solve for x
    x = 29,771,906,634.37/186,988.20
  6. Step 6: Final answer
    x = 159,218.10

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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.