Home / 171,985.44-237,420-114,720.06

Finding the Fourth Proportional to 171,985.44, 237,420 and 114,720.06

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Solution

The fourth proportional to 171,985.44, 237,420 and 114,720.06 is: 158,367.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,985.44 : 237,420 = 114,720.06 : x
  2. Step 2: Convert to fraction form
    171,985.44/237,420 = 114,720.06/x
  3. Step 3: Cross multiply
    171,985.44x = 237,420 × 114,720.06
  4. Step 4: Simplify right side
    171,985.44x = 27,236,836,645.20
  5. Step 5: Solve for x
    x = 27,236,836,645.20/171,985.44
  6. Step 6: Final answer
    x = 158,367.11

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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.