Home / 167,756.25-231,427.34-99,734.63

Finding the Fourth Proportional to 167,756.25, 231,427.34 and 99,734.63

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Solution

The fourth proportional to 167,756.25, 231,427.34 and 99,734.63 is: 137,588.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,756.25 : 231,427.34 = 99,734.63 : x
  2. Step 2: Convert to fraction form
    167,756.25/231,427.34 = 99,734.63/x
  3. Step 3: Cross multiply
    167,756.25x = 231,427.34 × 99,734.63
  4. Step 4: Simplify right side
    167,756.25x = 23,081,320,126.78
  5. Step 5: Solve for x
    x = 23,081,320,126.78/167,756.25
  6. Step 6: Final answer
    x = 137,588.44

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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.