Home / 313,189.40-432,199.18-169,945.76

Finding the Fourth Proportional to 313,189.40, 432,199.18 and 169,945.76

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Solution

The fourth proportional to 313,189.40, 432,199.18 and 169,945.76 is: 234,523.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,189.40 : 432,199.18 = 169,945.76 : x
  2. Step 2: Convert to fraction form
    313,189.40/432,199.18 = 169,945.76/x
  3. Step 3: Cross multiply
    313,189.40x = 432,199.18 × 169,945.76
  4. Step 4: Simplify right side
    313,189.40x = 73,450,418,116.48
  5. Step 5: Solve for x
    x = 73,450,418,116.48/313,189.40
  6. Step 6: Final answer
    x = 234,523.96

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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.