Home / 130,500.06-179,918.73-94,171.02

Finding the Fourth Proportional to 130,500.06, 179,918.73 and 94,171.02

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Solution

The fourth proportional to 130,500.06, 179,918.73 and 94,171.02 is: 129,832.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,500.06 : 179,918.73 = 94,171.02 : x
  2. Step 2: Convert to fraction form
    130,500.06/179,918.73 = 94,171.02/x
  3. Step 3: Cross multiply
    130,500.06x = 179,918.73 × 94,171.02
  4. Step 4: Simplify right side
    130,500.06x = 16,943,130,321.20
  5. Step 5: Solve for x
    x = 16,943,130,321.20/130,500.06
  6. Step 6: Final answer
    x = 129,832.36

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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.