Home / 140,346.63-193,682.60-76,688.52

Finding the Fourth Proportional to 140,346.63, 193,682.60 and 76,688.52

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Solution

The fourth proportional to 140,346.63, 193,682.60 and 76,688.52 is: 105,832.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,346.63 : 193,682.60 = 76,688.52 : x
  2. Step 2: Convert to fraction form
    140,346.63/193,682.60 = 76,688.52/x
  3. Step 3: Cross multiply
    140,346.63x = 193,682.60 × 76,688.52
  4. Step 4: Simplify right side
    140,346.63x = 14,853,231,943.75
  5. Step 5: Solve for x
    x = 14,853,231,943.75/140,346.63
  6. Step 6: Final answer
    x = 105,832.48

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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.