Home / 282,036.38-389,210.20-154,712.27

Finding the Fourth Proportional to 282,036.38, 389,210.20 and 154,712.27

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Solution

The fourth proportional to 282,036.38, 389,210.20 and 154,712.27 is: 213,502.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,036.38 : 389,210.20 = 154,712.27 : x
  2. Step 2: Convert to fraction form
    282,036.38/389,210.20 = 154,712.27/x
  3. Step 3: Cross multiply
    282,036.38x = 389,210.20 × 154,712.27
  4. Step 4: Simplify right side
    282,036.38x = 60,215,594,135.40
  5. Step 5: Solve for x
    x = 60,215,594,135.40/282,036.38
  6. Step 6: Final answer
    x = 213,502.94

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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.