Home / 147,120.40-220,815.92-114,052.96

Finding the Fourth Proportional to 147,120.40, 220,815.92 and 114,052.96

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Solution

The fourth proportional to 147,120.40, 220,815.92 and 114,052.96 is: 171,184.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,120.40 : 220,815.92 = 114,052.96 : x
  2. Step 2: Convert to fraction form
    147,120.40/220,815.92 = 114,052.96/x
  3. Step 3: Cross multiply
    147,120.40x = 220,815.92 × 114,052.96
  4. Step 4: Simplify right side
    147,120.40x = 25,184,709,852.28
  5. Step 5: Solve for x
    x = 25,184,709,852.28/147,120.40
  6. Step 6: Final answer
    x = 171,184.35

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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.