Home / 553,021.20-829,569.27-188,134.23

Finding the Fourth Proportional to 553,021.20, 829,569.27 and 188,134.23

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Solution

The fourth proportional to 553,021.20, 829,569.27 and 188,134.23 is: 282,214.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,021.20 : 829,569.27 = 188,134.23 : x
  2. Step 2: Convert to fraction form
    553,021.20/829,569.27 = 188,134.23/x
  3. Step 3: Cross multiply
    553,021.20x = 829,569.27 × 188,134.23
  4. Step 4: Simplify right side
    553,021.20x = 156,070,375,843.11
  5. Step 5: Solve for x
    x = 156,070,375,843.11/553,021.20
  6. Step 6: Final answer
    x = 282,214.09

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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.