Home / 119,861.19-179,573.74-69,789.49

Finding the Fourth Proportional to 119,861.19, 179,573.74 and 69,789.49

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Solution

The fourth proportional to 119,861.19, 179,573.74 and 69,789.49 is: 104,557.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,861.19 : 179,573.74 = 69,789.49 : x
  2. Step 2: Convert to fraction form
    119,861.19/179,573.74 = 69,789.49/x
  3. Step 3: Cross multiply
    119,861.19x = 179,573.74 × 69,789.49
  4. Step 4: Simplify right side
    119,861.19x = 12,532,359,108.58
  5. Step 5: Solve for x
    x = 12,532,359,108.58/119,861.19
  6. Step 6: Final answer
    x = 104,557.27

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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.