Home / 283,538.34-391,282.74-170,397.54

Finding the Fourth Proportional to 283,538.34, 391,282.74 and 170,397.54

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Solution

The fourth proportional to 283,538.34, 391,282.74 and 170,397.54 is: 235,148.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,538.34 : 391,282.74 = 170,397.54 : x
  2. Step 2: Convert to fraction form
    283,538.34/391,282.74 = 170,397.54/x
  3. Step 3: Cross multiply
    283,538.34x = 391,282.74 × 170,397.54
  4. Step 4: Simplify right side
    283,538.34x = 66,673,616,340.46
  5. Step 5: Solve for x
    x = 66,673,616,340.46/283,538.34
  6. Step 6: Final answer
    x = 235,148.50

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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.