Home / 282,177.12-423,404.07-132,429.58

Finding the Fourth Proportional to 282,177.12, 423,404.07 and 132,429.58

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Solution

The fourth proportional to 282,177.12, 423,404.07 and 132,429.58 is: 198,709.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,177.12 : 423,404.07 = 132,429.58 : x
  2. Step 2: Convert to fraction form
    282,177.12/423,404.07 = 132,429.58/x
  3. Step 3: Cross multiply
    282,177.12x = 423,404.07 × 132,429.58
  4. Step 4: Simplify right side
    282,177.12x = 56,071,223,160.39
  5. Step 5: Solve for x
    x = 56,071,223,160.39/282,177.12
  6. Step 6: Final answer
    x = 198,709.32

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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.