Home / 167,401.23-230,977.76-99,441.12

Finding the Fourth Proportional to 167,401.23, 230,977.76 and 99,441.12

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Solution

The fourth proportional to 167,401.23, 230,977.76 and 99,441.12 is: 137,207.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,401.23 : 230,977.76 = 99,441.12 : x
  2. Step 2: Convert to fraction form
    167,401.23/230,977.76 = 99,441.12/x
  3. Step 3: Cross multiply
    167,401.23x = 230,977.76 × 99,441.12
  4. Step 4: Simplify right side
    167,401.23x = 22,968,686,652.29
  5. Step 5: Solve for x
    x = 22,968,686,652.29/167,401.23
  6. Step 6: Final answer
    x = 137,207.39

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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.