Home / 130,410.18-179,968.34-73,049.02

Finding the Fourth Proportional to 130,410.18, 179,968.34 and 73,049.02

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Solution

The fourth proportional to 130,410.18, 179,968.34 and 73,049.02 is: 100,808.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,410.18 : 179,968.34 = 73,049.02 : x
  2. Step 2: Convert to fraction form
    130,410.18/179,968.34 = 73,049.02/x
  3. Step 3: Cross multiply
    130,410.18x = 179,968.34 × 73,049.02
  4. Step 4: Simplify right side
    130,410.18x = 13,146,510,600.73
  5. Step 5: Solve for x
    x = 13,146,510,600.73/130,410.18
  6. Step 6: Final answer
    x = 100,808.93

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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.