Home / 147,393.20-221,124.40-58,651.76

Finding the Fourth Proportional to 147,393.20, 221,124.40 and 58,651.76

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Solution

The fourth proportional to 147,393.20, 221,124.40 and 58,651.76 is: 87,991.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,393.20 : 221,124.40 = 58,651.76 : x
  2. Step 2: Convert to fraction form
    147,393.20/221,124.40 = 58,651.76/x
  3. Step 3: Cross multiply
    147,393.20x = 221,124.40 × 58,651.76
  4. Step 4: Simplify right side
    147,393.20x = 12,969,335,238.94
  5. Step 5: Solve for x
    x = 12,969,335,238.94/147,393.20
  6. Step 6: Final answer
    x = 87,991.41

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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.