Home / 283,729.43-391,549.27-156,409.58

Finding the Fourth Proportional to 283,729.43, 391,549.27 and 156,409.58

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Solution

The fourth proportional to 283,729.43, 391,549.27 and 156,409.58 is: 215,846.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,729.43 : 391,549.27 = 156,409.58 : x
  2. Step 2: Convert to fraction form
    283,729.43/391,549.27 = 156,409.58/x
  3. Step 3: Cross multiply
    283,729.43x = 391,549.27 × 156,409.58
  4. Step 4: Simplify right side
    283,729.43x = 61,242,054,521.24
  5. Step 5: Solve for x
    x = 61,242,054,521.24/283,729.43
  6. Step 6: Final answer
    x = 215,846.68

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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.