Home / 186,045.36-279,069.12-45,803.04

Finding the Fourth Proportional to 186,045.36, 279,069.12 and 45,803.04

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Solution

The fourth proportional to 186,045.36, 279,069.12 and 45,803.04 is: 68,704.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,045.36 : 279,069.12 = 45,803.04 : x
  2. Step 2: Convert to fraction form
    186,045.36/279,069.12 = 45,803.04/x
  3. Step 3: Cross multiply
    186,045.36x = 279,069.12 × 45,803.04
  4. Step 4: Simplify right side
    186,045.36x = 12,782,214,066.12
  5. Step 5: Solve for x
    x = 12,782,214,066.12/186,045.36
  6. Step 6: Final answer
    x = 68,704.83

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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.