Home / 186,419.23-257,264.97-105,844.07

Finding the Fourth Proportional to 186,419.23, 257,264.97 and 105,844.07

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Solution

The fourth proportional to 186,419.23, 257,264.97 and 105,844.07 is: 146,068.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,419.23 : 257,264.97 = 105,844.07 : x
  2. Step 2: Convert to fraction form
    186,419.23/257,264.97 = 105,844.07/x
  3. Step 3: Cross multiply
    186,419.23x = 257,264.97 × 105,844.07
  4. Step 4: Simplify right side
    186,419.23x = 27,229,971,493.23
  5. Step 5: Solve for x
    x = 27,229,971,493.23/186,419.23
  6. Step 6: Final answer
    x = 146,068.47

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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.