Home / 119,352.96-179,021.34-86,133.24

Finding the Fourth Proportional to 119,352.96, 179,021.34 and 86,133.24

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Solution

The fourth proportional to 119,352.96, 179,021.34 and 86,133.24 is: 129,194.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,352.96 : 179,021.34 = 86,133.24 : x
  2. Step 2: Convert to fraction form
    119,352.96/179,021.34 = 86,133.24/x
  3. Step 3: Cross multiply
    119,352.96x = 179,021.34 × 86,133.24
  4. Step 4: Simplify right side
    119,352.96x = 15,419,688,043.34
  5. Step 5: Solve for x
    x = 15,419,688,043.34/119,352.96
  6. Step 6: Final answer
    x = 129,194.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.