Home / 186,406.05-279,588.15-51,489.30

Finding the Fourth Proportional to 186,406.05, 279,588.15 and 51,489.30

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Solution

The fourth proportional to 186,406.05, 279,588.15 and 51,489.30 is: 77,228.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,406.05 : 279,588.15 = 51,489.30 : x
  2. Step 2: Convert to fraction form
    186,406.05/279,588.15 = 51,489.30/x
  3. Step 3: Cross multiply
    186,406.05x = 279,588.15 × 51,489.30
  4. Step 4: Simplify right side
    186,406.05x = 14,395,798,131.80
  5. Step 5: Solve for x
    x = 14,395,798,131.80/186,406.05
  6. Step 6: Final answer
    x = 77,228.17

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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.