Home / 313,272.81-432,315.39-170,032.85

Finding the Fourth Proportional to 313,272.81, 432,315.39 and 170,032.85

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Solution

The fourth proportional to 313,272.81, 432,315.39 and 170,032.85 is: 234,644.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,272.81 : 432,315.39 = 170,032.85 : x
  2. Step 2: Convert to fraction form
    313,272.81/432,315.39 = 170,032.85/x
  3. Step 3: Cross multiply
    313,272.81x = 432,315.39 × 170,032.85
  4. Step 4: Simplify right side
    313,272.81x = 73,507,817,860.56
  5. Step 5: Solve for x
    x = 73,507,817,860.56/313,272.81
  6. Step 6: Final answer
    x = 234,644.74

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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.