Home / 282,174.84-423,275.22-71,814.60

Finding the Fourth Proportional to 282,174.84, 423,275.22 and 71,814.60

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Solution

The fourth proportional to 282,174.84, 423,275.22 and 71,814.60 is: 107,725.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,174.84 : 423,275.22 = 71,814.60 : x
  2. Step 2: Convert to fraction form
    282,174.84/423,275.22 = 71,814.60/x
  3. Step 3: Cross multiply
    282,174.84x = 423,275.22 × 71,814.60
  4. Step 4: Simplify right side
    282,174.84x = 30,397,340,614.21
  5. Step 5: Solve for x
    x = 30,397,340,614.21/282,174.84
  6. Step 6: Final answer
    x = 107,725.20

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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.