Home / 282,558.11-423,837.36-72,196.25

Finding the Fourth Proportional to 282,558.11, 423,837.36 and 72,196.25

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Solution

The fourth proportional to 282,558.11, 423,837.36 and 72,196.25 is: 108,294.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,558.11 : 423,837.36 = 72,196.25 : x
  2. Step 2: Convert to fraction form
    282,558.11/423,837.36 = 72,196.25/x
  3. Step 3: Cross multiply
    282,558.11x = 423,837.36 × 72,196.25
  4. Step 4: Simplify right side
    282,558.11x = 30,599,465,882.71
  5. Step 5: Solve for x
    x = 30,599,465,882.71/282,558.11
  6. Step 6: Final answer
    x = 108,294.42

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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.