Home / 282,132.24-423,243.64-82,427.28

Finding the Fourth Proportional to 282,132.24, 423,243.64 and 82,427.28

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Solution

The fourth proportional to 282,132.24, 423,243.64 and 82,427.28 is: 123,654.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,132.24 : 423,243.64 = 82,427.28 : x
  2. Step 2: Convert to fraction form
    282,132.24/423,243.64 = 82,427.28/x
  3. Step 3: Cross multiply
    282,132.24x = 423,243.64 × 82,427.28
  4. Step 4: Simplify right side
    282,132.24x = 34,886,822,022.50
  5. Step 5: Solve for x
    x = 34,886,822,022.50/282,132.24
  6. Step 6: Final answer
    x = 123,654.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.