Home / 150,848.47-208,147.77-87,173.98

Finding the Fourth Proportional to 150,848.47, 208,147.77 and 87,173.98

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Solution

The fourth proportional to 150,848.47, 208,147.77 and 87,173.98 is: 120,286.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,848.47 : 208,147.77 = 87,173.98 : x
  2. Step 2: Convert to fraction form
    150,848.47/208,147.77 = 87,173.98/x
  3. Step 3: Cross multiply
    150,848.47x = 208,147.77 × 87,173.98
  4. Step 4: Simplify right side
    150,848.47x = 18,145,069,539.02
  5. Step 5: Solve for x
    x = 18,145,069,539.02/150,848.47
  6. Step 6: Final answer
    x = 120,286.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.