Home / 171,055.10-256,582.65-112,072.70

Finding the Fourth Proportional to 171,055.10, 256,582.65 and 112,072.70

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Solution

The fourth proportional to 171,055.10, 256,582.65 and 112,072.70 is: 168,109.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,055.10 : 256,582.65 = 112,072.70 : x
  2. Step 2: Convert to fraction form
    171,055.10/256,582.65 = 112,072.70/x
  3. Step 3: Cross multiply
    171,055.10x = 256,582.65 × 112,072.70
  4. Step 4: Simplify right side
    171,055.10x = 28,755,910,358.66
  5. Step 5: Solve for x
    x = 28,755,910,358.66/171,055.10
  6. Step 6: Final answer
    x = 168,109.05

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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.