Home / 313,864.72-433,141.80-170,634.58

Finding the Fourth Proportional to 313,864.72, 433,141.80 and 170,634.58

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Solution

The fourth proportional to 313,864.72, 433,141.80 and 170,634.58 is: 235,480.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,864.72 : 433,141.80 = 170,634.58 : x
  2. Step 2: Convert to fraction form
    313,864.72/433,141.80 = 170,634.58/x
  3. Step 3: Cross multiply
    313,864.72x = 433,141.80 × 170,634.58
  4. Step 4: Simplify right side
    313,864.72x = 73,908,969,123.44
  5. Step 5: Solve for x
    x = 73,908,969,123.44/313,864.72
  6. Step 6: Final answer
    x = 235,480.33

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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.