Home / 163,748.63-225,974.04-92,129.87

Finding the Fourth Proportional to 163,748.63, 225,974.04 and 92,129.87

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Solution

The fourth proportional to 163,748.63, 225,974.04 and 92,129.87 is: 127,139.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,748.63 : 225,974.04 = 92,129.87 : x
  2. Step 2: Convert to fraction form
    163,748.63/225,974.04 = 92,129.87/x
  3. Step 3: Cross multiply
    163,748.63x = 225,974.04 × 92,129.87
  4. Step 4: Simplify right side
    163,748.63x = 20,818,958,928.57
  5. Step 5: Solve for x
    x = 20,818,958,928.57/163,748.63
  6. Step 6: Final answer
    x = 127,139.74

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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.