Home / 167,478.51-231,124.65-90,996.84

Finding the Fourth Proportional to 167,478.51, 231,124.65 and 90,996.84

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Solution

The fourth proportional to 167,478.51, 231,124.65 and 90,996.84 is: 125,577.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,478.51 : 231,124.65 = 90,996.84 : x
  2. Step 2: Convert to fraction form
    167,478.51/231,124.65 = 90,996.84/x
  3. Step 3: Cross multiply
    167,478.51x = 231,124.65 × 90,996.84
  4. Step 4: Simplify right side
    167,478.51x = 21,031,612,796.11
  5. Step 5: Solve for x
    x = 21,031,612,796.11/167,478.51
  6. Step 6: Final answer
    x = 125,577.98

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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.