Home / 186,025.56-279,032.12-80,844.54

Finding the Fourth Proportional to 186,025.56, 279,032.12 and 80,844.54

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Solution

The fourth proportional to 186,025.56, 279,032.12 and 80,844.54 is: 121,264.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,025.56 : 279,032.12 = 80,844.54 : x
  2. Step 2: Convert to fraction form
    186,025.56/279,032.12 = 80,844.54/x
  3. Step 3: Cross multiply
    186,025.56x = 279,032.12 × 80,844.54
  4. Step 4: Simplify right side
    186,025.56x = 22,558,223,386.62
  5. Step 5: Solve for x
    x = 22,558,223,386.62/186,025.56
  6. Step 6: Final answer
    x = 121,264.11

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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.