Home / 171,910.12-237,175.14-112,328.68

Finding the Fourth Proportional to 171,910.12, 237,175.14 and 112,328.68

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Solution

The fourth proportional to 171,910.12, 237,175.14 and 112,328.68 is: 154,973.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,910.12 : 237,175.14 = 112,328.68 : x
  2. Step 2: Convert to fraction form
    171,910.12/237,175.14 = 112,328.68/x
  3. Step 3: Cross multiply
    171,910.12x = 237,175.14 × 112,328.68
  4. Step 4: Simplify right side
    171,910.12x = 26,641,570,405.02
  5. Step 5: Solve for x
    x = 26,641,570,405.02/171,910.12
  6. Step 6: Final answer
    x = 154,973.83

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1.5x scale

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.