Home / 152,932.08-211,086.36-85,885.68

Finding the Fourth Proportional to 152,932.08, 211,086.36 and 85,885.68

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Solution

The fourth proportional to 152,932.08, 211,086.36 and 85,885.68 is: 118,544.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,932.08 : 211,086.36 = 85,885.68 : x
  2. Step 2: Convert to fraction form
    152,932.08/211,086.36 = 85,885.68/x
  3. Step 3: Cross multiply
    152,932.08x = 211,086.36 × 85,885.68
  4. Step 4: Simplify right side
    152,932.08x = 18,129,295,567.32
  5. Step 5: Solve for x
    x = 18,129,295,567.32/152,932.08
  6. Step 6: Final answer
    x = 118,544.75

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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.