Home / 167,756.39-231,427.53-99,734.76

Finding the Fourth Proportional to 167,756.39, 231,427.53 and 99,734.76

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Solution

The fourth proportional to 167,756.39, 231,427.53 and 99,734.76 is: 137,588.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,756.39 : 231,427.53 = 99,734.76 : x
  2. Step 2: Convert to fraction form
    167,756.39/231,427.53 = 99,734.76/x
  3. Step 3: Cross multiply
    167,756.39x = 231,427.53 × 99,734.76
  4. Step 4: Simplify right side
    167,756.39x = 23,081,369,161.94
  5. Step 5: Solve for x
    x = 23,081,369,161.94/167,756.39
  6. Step 6: Final answer
    x = 137,588.62

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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.