Home / 192,310.61-265,513.95-172,133.10

Finding the Fourth Proportional to 192,310.61, 265,513.95 and 172,133.10

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Solution

The fourth proportional to 192,310.61, 265,513.95 and 172,133.10 is: 237,655.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,310.61 : 265,513.95 = 172,133.10 : x
  2. Step 2: Convert to fraction form
    192,310.61/265,513.95 = 172,133.10/x
  3. Step 3: Cross multiply
    192,310.61x = 265,513.95 × 172,133.10
  4. Step 4: Simplify right side
    192,310.61x = 45,703,739,306.75
  5. Step 5: Solve for x
    x = 45,703,739,306.75/192,310.61
  6. Step 6: Final answer
    x = 237,655.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.