Home / 282,166.18-389,400.56-154,846.33

Finding the Fourth Proportional to 282,166.18, 389,400.56 and 154,846.33

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Solution

The fourth proportional to 282,166.18, 389,400.56 and 154,846.33 is: 213,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,166.18 : 389,400.56 = 154,846.33 : x
  2. Step 2: Convert to fraction form
    282,166.18/389,400.56 = 154,846.33/x
  3. Step 3: Cross multiply
    282,166.18x = 389,400.56 × 154,846.33
  4. Step 4: Simplify right side
    282,166.18x = 60,297,246,841.71
  5. Step 5: Solve for x
    x = 60,297,246,841.71/282,166.18
  6. Step 6: Final answer
    x = 213,694.10

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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.