Home / 355,429.11-533,227.02-243,162.18

Finding the Fourth Proportional to 355,429.11, 533,227.02 and 243,162.18

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Solution

The fourth proportional to 355,429.11, 533,227.02 and 243,162.18 is: 364,800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,429.11 : 533,227.02 = 243,162.18 : x
  2. Step 2: Convert to fraction form
    355,429.11/533,227.02 = 243,162.18/x
  3. Step 3: Cross multiply
    355,429.11x = 533,227.02 × 243,162.18
  4. Step 4: Simplify right side
    355,429.11x = 129,660,644,618.10
  5. Step 5: Solve for x
    x = 129,660,644,618.10/355,429.11
  6. Step 6: Final answer
    x = 364,800.30

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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.