Home / 146,015.10-219,022.65-76,031.10

Finding the Fourth Proportional to 146,015.10, 219,022.65 and 76,031.10

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Solution

The fourth proportional to 146,015.10, 219,022.65 and 76,031.10 is: 114,046.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,015.10 : 219,022.65 = 76,031.10 : x
  2. Step 2: Convert to fraction form
    146,015.10/219,022.65 = 76,031.10/x
  3. Step 3: Cross multiply
    146,015.10x = 219,022.65 × 76,031.10
  4. Step 4: Simplify right side
    146,015.10x = 16,652,533,004.42
  5. Step 5: Solve for x
    x = 16,652,533,004.42/146,015.10
  6. Step 6: Final answer
    x = 114,046.65

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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.