Home / 186,287.24-279,274.12-81,026.93

Finding the Fourth Proportional to 186,287.24, 279,274.12 and 81,026.93

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Solution

The fourth proportional to 186,287.24, 279,274.12 and 81,026.93 is: 121,472.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,287.24 : 279,274.12 = 81,026.93 : x
  2. Step 2: Convert to fraction form
    186,287.24/279,274.12 = 81,026.93/x
  3. Step 3: Cross multiply
    186,287.24x = 279,274.12 × 81,026.93
  4. Step 4: Simplify right side
    186,287.24x = 22,628,724,572.05
  5. Step 5: Solve for x
    x = 22,628,724,572.05/186,287.24
  6. Step 6: Final answer
    x = 121,472.22

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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.