Home / 140,235.91-193,526.26-76,573.70

Finding the Fourth Proportional to 140,235.91, 193,526.26 and 76,573.70

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Solution

The fourth proportional to 140,235.91, 193,526.26 and 76,573.70 is: 105,672.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,235.91 : 193,526.26 = 76,573.70 : x
  2. Step 2: Convert to fraction form
    140,235.91/193,526.26 = 76,573.70/x
  3. Step 3: Cross multiply
    140,235.91x = 193,526.26 × 76,573.70
  4. Step 4: Simplify right side
    140,235.91x = 14,819,022,861.33
  5. Step 5: Solve for x
    x = 14,819,022,861.33/140,235.91
  6. Step 6: Final answer
    x = 105,672.10

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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.