Home / 130,472.20-195,746.23-54,606.53

Finding the Fourth Proportional to 130,472.20, 195,746.23 and 54,606.53

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Solution

The fourth proportional to 130,472.20, 195,746.23 and 54,606.53 is: 81,925.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,472.20 : 195,746.23 = 54,606.53 : x
  2. Step 2: Convert to fraction form
    130,472.20/195,746.23 = 54,606.53/x
  3. Step 3: Cross multiply
    130,472.20x = 195,746.23 × 54,606.53
  4. Step 4: Simplify right side
    130,472.20x = 10,689,022,380.88
  5. Step 5: Solve for x
    x = 10,689,022,380.88/130,472.20
  6. Step 6: Final answer
    x = 81,925.67

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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.