Home / 163,656.45-225,951.39-105,539.18

Finding the Fourth Proportional to 163,656.45, 225,951.39 and 105,539.18

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Solution

The fourth proportional to 163,656.45, 225,951.39 and 105,539.18 is: 145,712.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,656.45 : 225,951.39 = 105,539.18 : x
  2. Step 2: Convert to fraction form
    163,656.45/225,951.39 = 105,539.18/x
  3. Step 3: Cross multiply
    163,656.45x = 225,951.39 × 105,539.18
  4. Step 4: Simplify right side
    163,656.45x = 23,846,723,290.70
  5. Step 5: Solve for x
    x = 23,846,723,290.70/163,656.45
  6. Step 6: Final answer
    x = 145,712.09

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1.5x scale

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.