Home / 186,081.44-279,686.08-123,116.32

Finding the Fourth Proportional to 186,081.44, 279,686.08 and 123,116.32

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Solution

The fourth proportional to 186,081.44, 279,686.08 and 123,116.32 is: 185,047.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,081.44 : 279,686.08 = 123,116.32 : x
  2. Step 2: Convert to fraction form
    186,081.44/279,686.08 = 123,116.32/x
  3. Step 3: Cross multiply
    186,081.44x = 279,686.08 × 123,116.32
  4. Step 4: Simplify right side
    186,081.44x = 34,433,920,924.83
  5. Step 5: Solve for x
    x = 34,433,920,924.83/186,081.44
  6. Step 6: Final answer
    x = 185,047.58

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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.