Home / 116,424.36-174,723.48-86,507.82

Finding the Fourth Proportional to 116,424.36, 174,723.48 and 86,507.82

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Solution

The fourth proportional to 116,424.36, 174,723.48 and 86,507.82 is: 129,826.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,424.36 : 174,723.48 = 86,507.82 : x
  2. Step 2: Convert to fraction form
    116,424.36/174,723.48 = 86,507.82/x
  3. Step 3: Cross multiply
    116,424.36x = 174,723.48 × 86,507.82
  4. Step 4: Simplify right side
    116,424.36x = 15,114,947,357.61
  5. Step 5: Solve for x
    x = 15,114,947,357.61/116,424.36
  6. Step 6: Final answer
    x = 129,826.33

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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.