Home / 147,928.64-221,872.26-48,090.20

Finding the Fourth Proportional to 147,928.64, 221,872.26 and 48,090.20

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Solution

The fourth proportional to 147,928.64, 221,872.26 and 48,090.20 is: 72,128.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,928.64 : 221,872.26 = 48,090.20 : x
  2. Step 2: Convert to fraction form
    147,928.64/221,872.26 = 48,090.20/x
  3. Step 3: Cross multiply
    147,928.64x = 221,872.26 × 48,090.20
  4. Step 4: Simplify right side
    147,928.64x = 10,669,881,357.85
  5. Step 5: Solve for x
    x = 10,669,881,357.85/147,928.64
  6. Step 6: Final answer
    x = 72,128.57

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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.