Home / 282,324.14-389,605.68-153,265.22

Finding the Fourth Proportional to 282,324.14, 389,605.68 and 153,265.22

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Solution

The fourth proportional to 282,324.14, 389,605.68 and 153,265.22 is: 211,505.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,324.14 : 389,605.68 = 153,265.22 : x
  2. Step 2: Convert to fraction form
    282,324.14/389,605.68 = 153,265.22/x
  3. Step 3: Cross multiply
    282,324.14x = 389,605.68 × 153,265.22
  4. Step 4: Simplify right side
    282,324.14x = 59,713,000,258.45
  5. Step 5: Solve for x
    x = 59,713,000,258.45/282,324.14
  6. Step 6: Final answer
    x = 211,505.12

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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.