Home / 140,457.01-193,783.19-79,984.77

Finding the Fourth Proportional to 140,457.01, 193,783.19 and 79,984.77

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Solution

The fourth proportional to 140,457.01, 193,783.19 and 79,984.77 is: 110,351.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,457.01 : 193,783.19 = 79,984.77 : x
  2. Step 2: Convert to fraction form
    140,457.01/193,783.19 = 79,984.77/x
  3. Step 3: Cross multiply
    140,457.01x = 193,783.19 × 79,984.77
  4. Step 4: Simplify right side
    140,457.01x = 15,499,704,808.67
  5. Step 5: Solve for x
    x = 15,499,704,808.67/140,457.01
  6. Step 6: Final answer
    x = 110,351.95

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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.