Home / 140,598.23-194,025.53-76,936.01

Finding the Fourth Proportional to 140,598.23, 194,025.53 and 76,936.01

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Solution

The fourth proportional to 140,598.23, 194,025.53 and 76,936.01 is: 106,171.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,598.23 : 194,025.53 = 76,936.01 : x
  2. Step 2: Convert to fraction form
    140,598.23/194,025.53 = 76,936.01/x
  3. Step 3: Cross multiply
    140,598.23x = 194,025.53 × 76,936.01
  4. Step 4: Simplify right side
    140,598.23x = 14,927,549,731.66
  5. Step 5: Solve for x
    x = 14,927,549,731.66/140,598.23
  6. Step 6: Final answer
    x = 106,171.68

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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.