Home / 283,747.32-391,573.92-156,427.46

Finding the Fourth Proportional to 283,747.32, 391,573.92 and 156,427.46

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Solution

The fourth proportional to 283,747.32, 391,573.92 and 156,427.46 is: 215,871.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,747.32 : 391,573.92 = 156,427.46 : x
  2. Step 2: Convert to fraction form
    283,747.32/391,573.92 = 156,427.46/x
  3. Step 3: Cross multiply
    283,747.32x = 391,573.92 × 156,427.46
  4. Step 4: Simplify right side
    283,747.32x = 61,252,913,707.84
  5. Step 5: Solve for x
    x = 61,252,913,707.84/283,747.32
  6. Step 6: Final answer
    x = 215,871.34

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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.