Home / 199,154.80-274,833.66-109,730.80

Finding the Fourth Proportional to 199,154.80, 274,833.66 and 109,730.80

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Solution

The fourth proportional to 199,154.80, 274,833.66 and 109,730.80 is: 151,428.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,154.80 : 274,833.66 = 109,730.80 : x
  2. Step 2: Convert to fraction form
    199,154.80/274,833.66 = 109,730.80/x
  3. Step 3: Cross multiply
    199,154.80x = 274,833.66 × 109,730.80
  4. Step 4: Simplify right side
    199,154.80x = 30,157,717,378.73
  5. Step 5: Solve for x
    x = 30,157,717,378.73/199,154.80
  6. Step 6: Final answer
    x = 151,428.52

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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.