Home / 271,585.12-407,131.44-146,780.32

Finding the Fourth Proportional to 271,585.12, 407,131.44 and 146,780.32

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Solution

The fourth proportional to 271,585.12, 407,131.44 and 146,780.32 is: 220,037.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,585.12 : 407,131.44 = 146,780.32 : x
  2. Step 2: Convert to fraction form
    271,585.12/407,131.44 = 146,780.32/x
  3. Step 3: Cross multiply
    271,585.12x = 407,131.44 × 146,780.32
  4. Step 4: Simplify right side
    271,585.12x = 59,758,883,045.26
  5. Step 5: Solve for x
    x = 59,758,883,045.26/271,585.12
  6. Step 6: Final answer
    x = 220,037.40

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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.