Home / 282,421.96-423,836.88-163,935.16

Finding the Fourth Proportional to 282,421.96, 423,836.88 and 163,935.16

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Solution

The fourth proportional to 282,421.96, 423,836.88 and 163,935.16 is: 246,021.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,421.96 : 423,836.88 = 163,935.16 : x
  2. Step 2: Convert to fraction form
    282,421.96/423,836.88 = 163,935.16/x
  3. Step 3: Cross multiply
    282,421.96x = 423,836.88 × 163,935.16
  4. Step 4: Simplify right side
    282,421.96x = 69,481,766,736.70
  5. Step 5: Solve for x
    x = 69,481,766,736.70/282,421.96
  6. Step 6: Final answer
    x = 246,021.12

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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.