Home / 167,632.56-231,238.25-99,671.45

Finding the Fourth Proportional to 167,632.56, 231,238.25 and 99,671.45

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Solution

The fourth proportional to 167,632.56, 231,238.25 and 99,671.45 is: 137,490.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,632.56 : 231,238.25 = 99,671.45 : x
  2. Step 2: Convert to fraction form
    167,632.56/231,238.25 = 99,671.45/x
  3. Step 3: Cross multiply
    167,632.56x = 231,238.25 × 99,671.45
  4. Step 4: Simplify right side
    167,632.56x = 23,047,850,762.21
  5. Step 5: Solve for x
    x = 23,047,850,762.21/167,632.56
  6. Step 6: Final answer
    x = 137,490.30

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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.