Home / 153,250.26-211,486.41-85,270.11

Finding the Fourth Proportional to 153,250.26, 211,486.41 and 85,270.11

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Solution

The fourth proportional to 153,250.26, 211,486.41 and 85,270.11 is: 117,673.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,250.26 : 211,486.41 = 85,270.11 : x
  2. Step 2: Convert to fraction form
    153,250.26/211,486.41 = 85,270.11/x
  3. Step 3: Cross multiply
    153,250.26x = 211,486.41 × 85,270.11
  4. Step 4: Simplify right side
    153,250.26x = 18,033,469,444.21
  5. Step 5: Solve for x
    x = 18,033,469,444.21/153,250.26
  6. Step 6: Final answer
    x = 117,673.34

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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.