Home / 186,279.39-279,429.21-53,149.41

Finding the Fourth Proportional to 186,279.39, 279,429.21 and 53,149.41

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Solution

The fourth proportional to 186,279.39, 279,429.21 and 53,149.41 is: 79,727.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,279.39 : 279,429.21 = 53,149.41 : x
  2. Step 2: Convert to fraction form
    186,279.39/279,429.21 = 53,149.41/x
  3. Step 3: Cross multiply
    186,279.39x = 279,429.21 × 53,149.41
  4. Step 4: Simplify right side
    186,279.39x = 14,851,497,648.27
  5. Step 5: Solve for x
    x = 14,851,497,648.27/186,279.39
  6. Step 6: Final answer
    x = 79,727.00

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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.