Home / 282,268.67-389,529.78-153,207.15

Finding the Fourth Proportional to 282,268.67, 389,529.78 and 153,207.15

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Solution

The fourth proportional to 282,268.67, 389,529.78 and 153,207.15 is: 211,425.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,268.67 : 389,529.78 = 153,207.15 : x
  2. Step 2: Convert to fraction form
    282,268.67/389,529.78 = 153,207.15/x
  3. Step 3: Cross multiply
    282,268.67x = 389,529.78 × 153,207.15
  4. Step 4: Simplify right side
    282,268.67x = 59,678,747,433.93
  5. Step 5: Solve for x
    x = 59,678,747,433.93/282,268.67
  6. Step 6: Final answer
    x = 211,425.33

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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.