Home / 163,712.85-225,936.86-92,088.60

Finding the Fourth Proportional to 163,712.85, 225,936.86 and 92,088.60

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Solution

The fourth proportional to 163,712.85, 225,936.86 and 92,088.60 is: 127,089.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,712.85 : 225,936.86 = 92,088.60 : x
  2. Step 2: Convert to fraction form
    163,712.85/225,936.86 = 92,088.60/x
  3. Step 3: Cross multiply
    163,712.85x = 225,936.86 × 92,088.60
  4. Step 4: Simplify right side
    163,712.85x = 20,806,208,665.35
  5. Step 5: Solve for x
    x = 20,806,208,665.35/163,712.85
  6. Step 6: Final answer
    x = 127,089.65

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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.