Home / 130,257.33-179,790.47-76,559.59

Finding the Fourth Proportional to 130,257.33, 179,790.47 and 76,559.59

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Solution

The fourth proportional to 130,257.33, 179,790.47 and 76,559.59 is: 105,673.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,257.33 : 179,790.47 = 76,559.59 : x
  2. Step 2: Convert to fraction form
    130,257.33/179,790.47 = 76,559.59/x
  3. Step 3: Cross multiply
    130,257.33x = 179,790.47 × 76,559.59
  4. Step 4: Simplify right side
    130,257.33x = 13,764,684,669.11
  5. Step 5: Solve for x
    x = 13,764,684,669.11/130,257.33
  6. Step 6: Final answer
    x = 105,673.01

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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.