Home / 282,134.34-389,344.32-154,812.06

Finding the Fourth Proportional to 282,134.34, 389,344.32 and 154,812.06

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Solution

The fourth proportional to 282,134.34, 389,344.32 and 154,812.06 is: 213,640.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,134.34 : 389,344.32 = 154,812.06 : x
  2. Step 2: Convert to fraction form
    282,134.34/389,344.32 = 154,812.06/x
  3. Step 3: Cross multiply
    282,134.34x = 389,344.32 × 154,812.06
  4. Step 4: Simplify right side
    282,134.34x = 60,275,196,228.50
  5. Step 5: Solve for x
    x = 60,275,196,228.50/282,134.34
  6. Step 6: Final answer
    x = 213,640.06

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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.