Home / 219,612.28-303,065.18-119,010.28

Finding the Fourth Proportional to 219,612.28, 303,065.18 and 119,010.28

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Solution

The fourth proportional to 219,612.28, 303,065.18 and 119,010.28 is: 164,234.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,612.28 : 303,065.18 = 119,010.28 : x
  2. Step 2: Convert to fraction form
    219,612.28/303,065.18 = 119,010.28/x
  3. Step 3: Cross multiply
    219,612.28x = 303,065.18 × 119,010.28
  4. Step 4: Simplify right side
    219,612.28x = 36,067,871,930.05
  5. Step 5: Solve for x
    x = 36,067,871,930.05/219,612.28
  6. Step 6: Final answer
    x = 164,234.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.