Home / 212,307.44-318,461.15-54,536.04

Finding the Fourth Proportional to 212,307.44, 318,461.15 and 54,536.04

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Solution

The fourth proportional to 212,307.44, 318,461.15 and 54,536.04 is: 81,804.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,307.44 : 318,461.15 = 54,536.04 : x
  2. Step 2: Convert to fraction form
    212,307.44/318,461.15 = 54,536.04/x
  3. Step 3: Cross multiply
    212,307.44x = 318,461.15 × 54,536.04
  4. Step 4: Simplify right side
    212,307.44x = 17,367,610,151.19
  5. Step 5: Solve for x
    x = 17,367,610,151.19/212,307.44
  6. Step 6: Final answer
    x = 81,804.06

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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.