Home / 140,602.32-194,023.08-76,941.36

Finding the Fourth Proportional to 140,602.32, 194,023.08 and 76,941.36

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Solution

The fourth proportional to 140,602.32, 194,023.08 and 76,941.36 is: 106,174.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,602.32 : 194,023.08 = 76,941.36 : x
  2. Step 2: Convert to fraction form
    140,602.32/194,023.08 = 76,941.36/x
  3. Step 3: Cross multiply
    140,602.32x = 194,023.08 × 76,941.36
  4. Step 4: Simplify right side
    140,602.32x = 14,928,399,646.59
  5. Step 5: Solve for x
    x = 14,928,399,646.59/140,602.32
  6. Step 6: Final answer
    x = 106,174.63

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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.