Home / 282,006.25-389,187.13-154,681.84

Finding the Fourth Proportional to 282,006.25, 389,187.13 and 154,681.84

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Solution

The fourth proportional to 282,006.25, 389,187.13 and 154,681.84 is: 213,471.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,006.25 : 389,187.13 = 154,681.84 : x
  2. Step 2: Convert to fraction form
    282,006.25/389,187.13 = 154,681.84/x
  3. Step 3: Cross multiply
    282,006.25x = 389,187.13 × 154,681.84
  4. Step 4: Simplify right side
    282,006.25x = 60,200,181,215.23
  5. Step 5: Solve for x
    x = 60,200,181,215.23/282,006.25
  6. Step 6: Final answer
    x = 213,471.09

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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.