Home / 130,043.25-179,474.30-73,458.27

Finding the Fourth Proportional to 130,043.25, 179,474.30 and 73,458.27

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Solution

The fourth proportional to 130,043.25, 179,474.30 and 73,458.27 is: 101,380.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,043.25 : 179,474.30 = 73,458.27 : x
  2. Step 2: Convert to fraction form
    130,043.25/179,474.30 = 73,458.27/x
  3. Step 3: Cross multiply
    130,043.25x = 179,474.30 × 73,458.27
  4. Step 4: Simplify right side
    130,043.25x = 13,183,871,220.17
  5. Step 5: Solve for x
    x = 13,183,871,220.17/130,043.25
  6. Step 6: Final answer
    x = 101,380.67

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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.