Home / 130,359.34-179,914.10-94,177.83

Finding the Fourth Proportional to 130,359.34, 179,914.10 and 94,177.83

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Solution

The fourth proportional to 130,359.34, 179,914.10 and 94,177.83 is: 129,978.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,359.34 : 179,914.10 = 94,177.83 : x
  2. Step 2: Convert to fraction form
    130,359.34/179,914.10 = 94,177.83/x
  3. Step 3: Cross multiply
    130,359.34x = 179,914.10 × 94,177.83
  4. Step 4: Simplify right side
    130,359.34x = 16,943,919,524.40
  5. Step 5: Solve for x
    x = 16,943,919,524.40/130,359.34
  6. Step 6: Final answer
    x = 129,978.56

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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.