Home / 219,005.10-327,851.55-130,212.90

Finding the Fourth Proportional to 219,005.10, 327,851.55 and 130,212.90

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Solution

The fourth proportional to 219,005.10, 327,851.55 and 130,212.90 is: 194,929.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,005.10 : 327,851.55 = 130,212.90 : x
  2. Step 2: Convert to fraction form
    219,005.10/327,851.55 = 130,212.90/x
  3. Step 3: Cross multiply
    219,005.10x = 327,851.55 × 130,212.90
  4. Step 4: Simplify right side
    219,005.10x = 42,690,501,095.00
  5. Step 5: Solve for x
    x = 42,690,501,095.00/219,005.10
  6. Step 6: Final answer
    x = 194,929.26

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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.