Home / 282,132.48-423,383.04-134,400

Finding the Fourth Proportional to 282,132.48, 423,383.04 and 134,400

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Solution

The fourth proportional to 282,132.48, 423,383.04 and 134,400 is: 201,687.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,132.48 : 423,383.04 = 134,400 : x
  2. Step 2: Convert to fraction form
    282,132.48/423,383.04 = 134,400/x
  3. Step 3: Cross multiply
    282,132.48x = 423,383.04 × 134,400
  4. Step 4: Simplify right side
    282,132.48x = 56,902,680,576
  5. Step 5: Solve for x
    x = 56,902,680,576/282,132.48
  6. Step 6: Final answer
    x = 201,687.80

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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.