Home / 153,027.30-211,173.46-85,042.56

Finding the Fourth Proportional to 153,027.30, 211,173.46 and 85,042.56

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Solution

The fourth proportional to 153,027.30, 211,173.46 and 85,042.56 is: 117,356.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,027.30 : 211,173.46 = 85,042.56 : x
  2. Step 2: Convert to fraction form
    153,027.30/211,173.46 = 85,042.56/x
  3. Step 3: Cross multiply
    153,027.30x = 211,173.46 × 85,042.56
  4. Step 4: Simplify right side
    153,027.30x = 17,958,731,429.85
  5. Step 5: Solve for x
    x = 17,958,731,429.85/153,027.30
  6. Step 6: Final answer
    x = 117,356.39

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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.