Home / 126,023.88-173,912.96-69,434.76

Finding the Fourth Proportional to 126,023.88, 173,912.96 and 69,434.76

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Solution

The fourth proportional to 126,023.88, 173,912.96 and 69,434.76 is: 95,819.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,023.88 : 173,912.96 = 69,434.76 : x
  2. Step 2: Convert to fraction form
    126,023.88/173,912.96 = 69,434.76/x
  3. Step 3: Cross multiply
    126,023.88x = 173,912.96 × 69,434.76
  4. Step 4: Simplify right side
    126,023.88x = 12,075,604,638.49
  5. Step 5: Solve for x
    x = 12,075,604,638.49/126,023.88
  6. Step 6: Final answer
    x = 95,819.97

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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.