Home / 355,904.92-533,904.36-131,423.14

Finding the Fourth Proportional to 355,904.92, 533,904.36 and 131,423.14

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Solution

The fourth proportional to 355,904.92, 533,904.36 and 131,423.14 is: 197,152.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,904.92 : 533,904.36 = 131,423.14 : x
  2. Step 2: Convert to fraction form
    355,904.92/533,904.36 = 131,423.14/x
  3. Step 3: Cross multiply
    355,904.92x = 533,904.36 × 131,423.14
  4. Step 4: Simplify right side
    355,904.92x = 70,167,387,450.89
  5. Step 5: Solve for x
    x = 70,167,387,450.89/355,904.92
  6. Step 6: Final answer
    x = 197,152.06

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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.