Home / 163,158.85-225,388.61-125,911.81

Finding the Fourth Proportional to 163,158.85, 225,388.61 and 125,911.81

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Solution

The fourth proportional to 163,158.85, 225,388.61 and 125,911.81 is: 173,935.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,158.85 : 225,388.61 = 125,911.81 : x
  2. Step 2: Convert to fraction form
    163,158.85/225,388.61 = 125,911.81/x
  3. Step 3: Cross multiply
    163,158.85x = 225,388.61 × 125,911.81
  4. Step 4: Simplify right side
    163,158.85x = 28,379,087,208.93
  5. Step 5: Solve for x
    x = 28,379,087,208.93/163,158.85
  6. Step 6: Final answer
    x = 173,935.32

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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.