Home / 142,335.88-213,500.39-46,272.96

Finding the Fourth Proportional to 142,335.88, 213,500.39 and 46,272.96

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Solution

The fourth proportional to 142,335.88, 213,500.39 and 46,272.96 is: 69,408.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,335.88 : 213,500.39 = 46,272.96 : x
  2. Step 2: Convert to fraction form
    142,335.88/213,500.39 = 46,272.96/x
  3. Step 3: Cross multiply
    142,335.88x = 213,500.39 × 46,272.96
  4. Step 4: Simplify right side
    142,335.88x = 9,879,295,006.45
  5. Step 5: Solve for x
    x = 9,879,295,006.45/142,335.88
  6. Step 6: Final answer
    x = 69,408.32

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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.