Home / 146,505.10-219,714.45-57,729.10

Finding the Fourth Proportional to 146,505.10, 219,714.45 and 57,729.10

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Solution

The fourth proportional to 146,505.10, 219,714.45 and 57,729.10 is: 86,576.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,505.10 : 219,714.45 = 57,729.10 : x
  2. Step 2: Convert to fraction form
    146,505.10/219,714.45 = 57,729.10/x
  3. Step 3: Cross multiply
    146,505.10x = 219,714.45 × 57,729.10
  4. Step 4: Simplify right side
    146,505.10x = 12,683,917,455.50
  5. Step 5: Solve for x
    x = 12,683,917,455.50/146,505.10
  6. Step 6: Final answer
    x = 86,576.63

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1.5x scale

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.