Home / 171,106.13-256,688.40-52,755.41

Finding the Fourth Proportional to 171,106.13, 256,688.40 and 52,755.41

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Solution

The fourth proportional to 171,106.13, 256,688.40 and 52,755.41 is: 79,142.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,106.13 : 256,688.40 = 52,755.41 : x
  2. Step 2: Convert to fraction form
    171,106.13/256,688.40 = 52,755.41/x
  3. Step 3: Cross multiply
    171,106.13x = 256,688.40 × 52,755.41
  4. Step 4: Simplify right side
    171,106.13x = 13,541,701,784.24
  5. Step 5: Solve for x
    x = 13,541,701,784.24/171,106.13
  6. Step 6: Final answer
    x = 79,142.12

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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.