Home / 219,152.99-328,727.75-117,998.43

Finding the Fourth Proportional to 219,152.99, 328,727.75 and 117,998.43

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Solution

The fourth proportional to 219,152.99, 328,727.75 and 117,998.43 is: 176,996.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,152.99 : 328,727.75 = 117,998.43 : x
  2. Step 2: Convert to fraction form
    219,152.99/328,727.75 = 117,998.43/x
  3. Step 3: Cross multiply
    219,152.99x = 328,727.75 × 117,998.43
  4. Step 4: Simplify right side
    219,152.99x = 38,789,358,397.43
  5. Step 5: Solve for x
    x = 38,789,358,397.43/219,152.99
  6. Step 6: Final answer
    x = 176,996.71

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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.