Home / 313,124.13-432,082.20-177,168.36

Finding the Fourth Proportional to 313,124.13, 432,082.20 and 177,168.36

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Solution

The fourth proportional to 313,124.13, 432,082.20 and 177,168.36 is: 244,475.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,124.13 : 432,082.20 = 177,168.36 : x
  2. Step 2: Convert to fraction form
    313,124.13/432,082.20 = 177,168.36/x
  3. Step 3: Cross multiply
    313,124.13x = 432,082.20 × 177,168.36
  4. Step 4: Simplify right side
    313,124.13x = 76,551,294,759.19
  5. Step 5: Solve for x
    x = 76,551,294,759.19/313,124.13
  6. Step 6: Final answer
    x = 244,475.87

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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.