Home / 147,123.24-220,717.66-53,628.98

Finding the Fourth Proportional to 147,123.24, 220,717.66 and 53,628.98

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Solution

The fourth proportional to 147,123.24, 220,717.66 and 53,628.98 is: 80,455.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,123.24 : 220,717.66 = 53,628.98 : x
  2. Step 2: Convert to fraction form
    147,123.24/220,717.66 = 53,628.98/x
  3. Step 3: Cross multiply
    147,123.24x = 220,717.66 × 53,628.98
  4. Step 4: Simplify right side
    147,123.24x = 11,836,862,973.79
  5. Step 5: Solve for x
    x = 11,836,862,973.79/147,123.24
  6. Step 6: Final answer
    x = 80,455.43

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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.