Home / 282,176.47-423,304.42-82,511.88

Finding the Fourth Proportional to 282,176.47, 423,304.42 and 82,511.88

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Solution

The fourth proportional to 282,176.47, 423,304.42 and 82,511.88 is: 123,779.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,176.47 : 423,304.42 = 82,511.88 : x
  2. Step 2: Convert to fraction form
    282,176.47/423,304.42 = 82,511.88/x
  3. Step 3: Cross multiply
    282,176.47x = 423,304.42 × 82,511.88
  4. Step 4: Simplify right side
    282,176.47x = 34,927,643,506.51
  5. Step 5: Solve for x
    x = 34,927,643,506.51/282,176.47
  6. Step 6: Final answer
    x = 123,779.43

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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.