Home / 153,331.42-211,597.34-85,346.94

Finding the Fourth Proportional to 153,331.42, 211,597.34 and 85,346.94

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Solution

The fourth proportional to 153,331.42, 211,597.34 and 85,346.94 is: 117,778.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,331.42 : 211,597.34 = 85,346.94 : x
  2. Step 2: Convert to fraction form
    153,331.42/211,597.34 = 85,346.94/x
  3. Step 3: Cross multiply
    153,331.42x = 211,597.34 × 85,346.94
  4. Step 4: Simplify right side
    153,331.42x = 18,059,185,481.14
  5. Step 5: Solve for x
    x = 18,059,185,481.14/153,331.42
  6. Step 6: Final answer
    x = 117,778.77

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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.