Home / 233,651.12-322,438.32-126,221.12

Finding the Fourth Proportional to 233,651.12, 322,438.32 and 126,221.12

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Solution

The fourth proportional to 233,651.12, 322,438.32 and 126,221.12 is: 174,185.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,651.12 : 322,438.32 = 126,221.12 : x
  2. Step 2: Convert to fraction form
    233,651.12/322,438.32 = 126,221.12/x
  3. Step 3: Cross multiply
    233,651.12x = 322,438.32 × 126,221.12
  4. Step 4: Simplify right side
    233,651.12x = 40,698,525,881.32
  5. Step 5: Solve for x
    x = 40,698,525,881.32/233,651.12
  6. Step 6: Final answer
    x = 174,185.02

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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.