Home / 196,015.00-270,488.25-115,426.96

Finding the Fourth Proportional to 196,015.00, 270,488.25 and 115,426.96

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Solution

The fourth proportional to 196,015.00, 270,488.25 and 115,426.96 is: 159,281.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,015.00 : 270,488.25 = 115,426.96 : x
  2. Step 2: Convert to fraction form
    196,015.00/270,488.25 = 115,426.96/x
  3. Step 3: Cross multiply
    196,015.00x = 270,488.25 × 115,426.96
  4. Step 4: Simplify right side
    196,015.00x = 31,221,634,638.90
  5. Step 5: Solve for x
    x = 31,221,634,638.90/196,015.00
  6. Step 6: Final answer
    x = 159,281.86

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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.