Home / 129,023.70-193,276.35-73,554.90

Finding the Fourth Proportional to 129,023.70, 193,276.35 and 73,554.90

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Solution

The fourth proportional to 129,023.70, 193,276.35 and 73,554.90 is: 110,184.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,023.70 : 193,276.35 = 73,554.90 : x
  2. Step 2: Convert to fraction form
    129,023.70/193,276.35 = 73,554.90/x
  3. Step 3: Cross multiply
    129,023.70x = 193,276.35 × 73,554.90
  4. Step 4: Simplify right side
    129,023.70x = 14,216,422,596.62
  5. Step 5: Solve for x
    x = 14,216,422,596.62/129,023.70
  6. Step 6: Final answer
    x = 110,184.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.