Home / 186,419.22-257,260.27-105,848.47

Finding the Fourth Proportional to 186,419.22, 257,260.27 and 105,848.47

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Solution

The fourth proportional to 186,419.22, 257,260.27 and 105,848.47 is: 146,071.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,419.22 : 257,260.27 = 105,848.47 : x
  2. Step 2: Convert to fraction form
    186,419.22/257,260.27 = 105,848.47/x
  3. Step 3: Cross multiply
    186,419.22x = 257,260.27 × 105,848.47
  4. Step 4: Simplify right side
    186,419.22x = 27,230,605,971.29
  5. Step 5: Solve for x
    x = 27,230,605,971.29/186,419.22
  6. Step 6: Final answer
    x = 146,071.88

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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.