Home / 142,607.96-213,940.50-52,651.23

Finding the Fourth Proportional to 142,607.96, 213,940.50 and 52,651.23

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Solution

The fourth proportional to 142,607.96, 213,940.50 and 52,651.23 is: 78,987.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,607.96 : 213,940.50 = 52,651.23 : x
  2. Step 2: Convert to fraction form
    142,607.96/213,940.50 = 52,651.23/x
  3. Step 3: Cross multiply
    142,607.96x = 213,940.50 × 52,651.23
  4. Step 4: Simplify right side
    142,607.96x = 11,264,230,471.82
  5. Step 5: Solve for x
    x = 11,264,230,471.82/142,607.96
  6. Step 6: Final answer
    x = 78,987.39

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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.