Home / 313,601.23-432,770.07-170,361.28

Finding the Fourth Proportional to 313,601.23, 432,770.07 and 170,361.28

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Solution

The fourth proportional to 313,601.23, 432,770.07 and 170,361.28 is: 235,098.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,601.23 : 432,770.07 = 170,361.28 : x
  2. Step 2: Convert to fraction form
    313,601.23/432,770.07 = 170,361.28/x
  3. Step 3: Cross multiply
    313,601.23x = 432,770.07 × 170,361.28
  4. Step 4: Simplify right side
    313,601.23x = 73,727,263,070.89
  5. Step 5: Solve for x
    x = 73,727,263,070.89/313,601.23
  6. Step 6: Final answer
    x = 235,098.77

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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.