Home / 171,415.03-236,669.64-106,909.47

Finding the Fourth Proportional to 171,415.03, 236,669.64 and 106,909.47

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Solution

The fourth proportional to 171,415.03, 236,669.64 and 106,909.47 is: 147,607.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,415.03 : 236,669.64 = 106,909.47 : x
  2. Step 2: Convert to fraction form
    171,415.03/236,669.64 = 106,909.47/x
  3. Step 3: Cross multiply
    171,415.03x = 236,669.64 × 106,909.47
  4. Step 4: Simplify right side
    171,415.03x = 25,302,225,777.49
  5. Step 5: Solve for x
    x = 25,302,225,777.49/171,415.03
  6. Step 6: Final answer
    x = 147,607.98

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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.