Home / 282,442.52-423,722.10-82,769.42

Finding the Fourth Proportional to 282,442.52, 423,722.10 and 82,769.42

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Solution

The fourth proportional to 282,442.52, 423,722.10 and 82,769.42 is: 124,171.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,442.52 : 423,722.10 = 82,769.42 : x
  2. Step 2: Convert to fraction form
    282,442.52/423,722.10 = 82,769.42/x
  3. Step 3: Cross multiply
    282,442.52x = 423,722.10 × 82,769.42
  4. Step 4: Simplify right side
    282,442.52x = 35,071,232,458.18
  5. Step 5: Solve for x
    x = 35,071,232,458.18/282,442.52
  6. Step 6: Final answer
    x = 124,171.22

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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.