Home / 130,023.40-194,900.70-70,733.80

Finding the Fourth Proportional to 130,023.40, 194,900.70 and 70,733.80

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Solution

The fourth proportional to 130,023.40, 194,900.70 and 70,733.80 is: 106,027.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,023.40 : 194,900.70 = 70,733.80 : x
  2. Step 2: Convert to fraction form
    130,023.40/194,900.70 = 70,733.80/x
  3. Step 3: Cross multiply
    130,023.40x = 194,900.70 × 70,733.80
  4. Step 4: Simplify right side
    130,023.40x = 13,786,067,133.66
  5. Step 5: Solve for x
    x = 13,786,067,133.66/130,023.40
  6. Step 6: Final answer
    x = 106,027.59

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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.