Home / 186,407.16-279,609.38-111,548.04

Finding the Fourth Proportional to 186,407.16, 279,609.38 and 111,548.04

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Solution

The fourth proportional to 186,407.16, 279,609.38 and 111,548.04 is: 167,321.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,407.16 : 279,609.38 = 111,548.04 : x
  2. Step 2: Convert to fraction form
    186,407.16/279,609.38 = 111,548.04/x
  3. Step 3: Cross multiply
    186,407.16x = 279,609.38 × 111,548.04
  4. Step 4: Simplify right side
    186,407.16x = 31,189,878,304.62
  5. Step 5: Solve for x
    x = 31,189,878,304.62/186,407.16
  6. Step 6: Final answer
    x = 167,321.25

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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.