Home / 153,321.54-211,524.80-113,131.10

Finding the Fourth Proportional to 153,321.54, 211,524.80 and 113,131.10

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Solution

The fourth proportional to 153,321.54, 211,524.80 and 113,131.10 is: 156,077.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,321.54 : 211,524.80 = 113,131.10 : x
  2. Step 2: Convert to fraction form
    153,321.54/211,524.80 = 113,131.10/x
  3. Step 3: Cross multiply
    153,321.54x = 211,524.80 × 113,131.10
  4. Step 4: Simplify right side
    153,321.54x = 23,930,031,678.00
  5. Step 5: Solve for x
    x = 23,930,031,678.00/153,321.54
  6. Step 6: Final answer
    x = 156,077.43

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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.