Home / 171,212.16-236,215.26-99,533.64

Finding the Fourth Proportional to 171,212.16, 236,215.26 and 99,533.64

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Solution

The fourth proportional to 171,212.16, 236,215.26 and 99,533.64 is: 137,322.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,212.16 : 236,215.26 = 99,533.64 : x
  2. Step 2: Convert to fraction form
    171,212.16/236,215.26 = 99,533.64/x
  3. Step 3: Cross multiply
    171,212.16x = 236,215.26 × 99,533.64
  4. Step 4: Simplify right side
    171,212.16x = 23,511,364,651.35
  5. Step 5: Solve for x
    x = 23,511,364,651.35/171,212.16
  6. Step 6: Final answer
    x = 137,322.98

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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.