Home / 283,747.43-391,574.09-156,427.58

Finding the Fourth Proportional to 283,747.43, 391,574.09 and 156,427.58

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Solution

The fourth proportional to 283,747.43, 391,574.09 and 156,427.58 is: 215,871.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,747.43 : 391,574.09 = 156,427.58 : x
  2. Step 2: Convert to fraction form
    283,747.43/391,574.09 = 156,427.58/x
  3. Step 3: Cross multiply
    283,747.43x = 391,574.09 × 156,427.58
  4. Step 4: Simplify right side
    283,747.43x = 61,252,988,659.41
  5. Step 5: Solve for x
    x = 61,252,988,659.41/283,747.43
  6. Step 6: Final answer
    x = 215,871.52

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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.