Home / 186,391.38-279,596.28-53,291.22

Finding the Fourth Proportional to 186,391.38, 279,596.28 and 53,291.22

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Solution

The fourth proportional to 186,391.38, 279,596.28 and 53,291.22 is: 79,939.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,391.38 : 279,596.28 = 53,291.22 : x
  2. Step 2: Convert to fraction form
    186,391.38/279,596.28 = 53,291.22/x
  3. Step 3: Cross multiply
    186,391.38x = 279,596.28 × 53,291.22
  4. Step 4: Simplify right side
    186,391.38x = 14,900,026,868.66
  5. Step 5: Solve for x
    x = 14,900,026,868.66/186,391.38
  6. Step 6: Final answer
    x = 79,939.46

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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.