Home / 347,592.07-521,197.62-107,639.36

Finding the Fourth Proportional to 347,592.07, 521,197.62 and 107,639.36

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Solution

The fourth proportional to 347,592.07, 521,197.62 and 107,639.36 is: 161,400.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,592.07 : 521,197.62 = 107,639.36 : x
  2. Step 2: Convert to fraction form
    347,592.07/521,197.62 = 107,639.36/x
  3. Step 3: Cross multiply
    347,592.07x = 521,197.62 × 107,639.36
  4. Step 4: Simplify right side
    347,592.07x = 56,101,377,195.18
  5. Step 5: Solve for x
    x = 56,101,377,195.18/347,592.07
  6. Step 6: Final answer
    x = 161,400.05

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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.