Home / 282,168.28-389,398.62-154,851.94

Finding the Fourth Proportional to 282,168.28, 389,398.62 and 154,851.94

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Solution

The fourth proportional to 282,168.28, 389,398.62 and 154,851.94 is: 213,699.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,168.28 : 389,398.62 = 154,851.94 : x
  2. Step 2: Convert to fraction form
    282,168.28/389,398.62 = 154,851.94/x
  3. Step 3: Cross multiply
    282,168.28x = 389,398.62 × 154,851.94
  4. Step 4: Simplify right side
    282,168.28x = 60,299,131,740.32
  5. Step 5: Solve for x
    x = 60,299,131,740.32/282,168.28
  6. Step 6: Final answer
    x = 213,699.19

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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.