Home / 167,903.02-231,710.31-91,426.30

Finding the Fourth Proportional to 167,903.02, 231,710.31 and 91,426.30

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Solution

The fourth proportional to 167,903.02, 231,710.31 and 91,426.30 is: 126,170.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,903.02 : 231,710.31 = 91,426.30 : x
  2. Step 2: Convert to fraction form
    167,903.02/231,710.31 = 91,426.30/x
  3. Step 3: Cross multiply
    167,903.02x = 231,710.31 × 91,426.30
  4. Step 4: Simplify right side
    167,903.02x = 21,184,416,315.15
  5. Step 5: Solve for x
    x = 21,184,416,315.15/167,903.02
  6. Step 6: Final answer
    x = 126,170.55

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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.