Home / 186,372.82-257,197.53-105,802.66

Finding the Fourth Proportional to 186,372.82, 257,197.53 and 105,802.66

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Solution

The fourth proportional to 186,372.82, 257,197.53 and 105,802.66 is: 146,009.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,372.82 : 257,197.53 = 105,802.66 : x
  2. Step 2: Convert to fraction form
    186,372.82/257,197.53 = 105,802.66/x
  3. Step 3: Cross multiply
    186,372.82x = 257,197.53 × 105,802.66
  4. Step 4: Simplify right side
    186,372.82x = 27,212,182,819.43
  5. Step 5: Solve for x
    x = 27,212,182,819.43/186,372.82
  6. Step 6: Final answer
    x = 146,009.40

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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.