Home / 219,016.14-328,526.84-85,959.06

Finding the Fourth Proportional to 219,016.14, 328,526.84 and 85,959.06

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Solution

The fourth proportional to 219,016.14, 328,526.84 and 85,959.06 is: 128,939.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,016.14 : 328,526.84 = 85,959.06 : x
  2. Step 2: Convert to fraction form
    219,016.14/328,526.84 = 85,959.06/x
  3. Step 3: Cross multiply
    219,016.14x = 328,526.84 × 85,959.06
  4. Step 4: Simplify right side
    219,016.14x = 28,239,858,351.17
  5. Step 5: Solve for x
    x = 28,239,858,351.17/219,016.14
  6. Step 6: Final answer
    x = 128,939.62

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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.