Home / 313,747.58-432,974.34-170,507.58

Finding the Fourth Proportional to 313,747.58, 432,974.34 and 170,507.58

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Solution

The fourth proportional to 313,747.58, 432,974.34 and 170,507.58 is: 235,301.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,747.58 : 432,974.34 = 170,507.58 : x
  2. Step 2: Convert to fraction form
    313,747.58/432,974.34 = 170,507.58/x
  3. Step 3: Cross multiply
    313,747.58x = 432,974.34 × 170,507.58
  4. Step 4: Simplify right side
    313,747.58x = 73,825,406,915.50
  5. Step 5: Solve for x
    x = 73,825,406,915.50/313,747.58
  6. Step 6: Final answer
    x = 235,301.92

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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.