Home / 130,202.24-179,604.34-76,477.37

Finding the Fourth Proportional to 130,202.24, 179,604.34 and 76,477.37

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Solution

The fourth proportional to 130,202.24, 179,604.34 and 76,477.37 is: 105,494.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,202.24 : 179,604.34 = 76,477.37 : x
  2. Step 2: Convert to fraction form
    130,202.24/179,604.34 = 76,477.37/x
  3. Step 3: Cross multiply
    130,202.24x = 179,604.34 × 76,477.37
  4. Step 4: Simplify right side
    130,202.24x = 13,735,666,474.57
  5. Step 5: Solve for x
    x = 13,735,666,474.57/130,202.24
  6. Step 6: Final answer
    x = 105,494.86

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1.5x scale

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.