Home / 186,212.51-279,321.35-53,092.76

Finding the Fourth Proportional to 186,212.51, 279,321.35 and 53,092.76

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Solution

The fourth proportional to 186,212.51, 279,321.35 and 53,092.76 is: 79,639.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,212.51 : 279,321.35 = 53,092.76 : x
  2. Step 2: Convert to fraction form
    186,212.51/279,321.35 = 53,092.76/x
  3. Step 3: Cross multiply
    186,212.51x = 279,321.35 × 53,092.76
  4. Step 4: Simplify right side
    186,212.51x = 14,829,941,398.43
  5. Step 5: Solve for x
    x = 14,829,941,398.43/186,212.51
  6. Step 6: Final answer
    x = 79,639.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.