Home / 167,505.09-231,193.47-103,029.76

Finding the Fourth Proportional to 167,505.09, 231,193.47 and 103,029.76

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Solution

The fourth proportional to 167,505.09, 231,193.47 and 103,029.76 is: 142,203.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,505.09 : 231,193.47 = 103,029.76 : x
  2. Step 2: Convert to fraction form
    167,505.09/231,193.47 = 103,029.76/x
  3. Step 3: Cross multiply
    167,505.09x = 231,193.47 × 103,029.76
  4. Step 4: Simplify right side
    167,505.09x = 23,819,807,727.67
  5. Step 5: Solve for x
    x = 23,819,807,727.67/167,505.09
  6. Step 6: Final answer
    x = 142,203.49

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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.