Home / 186,066.16-279,132.72-67,903.36

Finding the Fourth Proportional to 186,066.16, 279,132.72 and 67,903.36

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Solution

The fourth proportional to 186,066.16, 279,132.72 and 67,903.36 is: 101,867.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,066.16 : 279,132.72 = 67,903.36 : x
  2. Step 2: Convert to fraction form
    186,066.16/279,132.72 = 67,903.36/x
  3. Step 3: Cross multiply
    186,066.16x = 279,132.72 × 67,903.36
  4. Step 4: Simplify right side
    186,066.16x = 18,954,049,573.94
  5. Step 5: Solve for x
    x = 18,954,049,573.94/186,066.16
  6. Step 6: Final answer
    x = 101,867.26

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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.