Home / 355,877.78-533,822.84-131,122.52

Finding the Fourth Proportional to 355,877.78, 533,822.84 and 131,122.52

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Solution

The fourth proportional to 355,877.78, 533,822.84 and 131,122.52 is: 196,686.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,877.78 : 533,822.84 = 131,122.52 : x
  2. Step 2: Convert to fraction form
    355,877.78/533,822.84 = 131,122.52/x
  3. Step 3: Cross multiply
    355,877.78x = 533,822.84 × 131,122.52
  4. Step 4: Simplify right side
    355,877.78x = 69,996,196,014.36
  5. Step 5: Solve for x
    x = 69,996,196,014.36/355,877.78
  6. Step 6: Final answer
    x = 196,686.05

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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.