Home / 283,336.58-391,004.11-156,011.06

Finding the Fourth Proportional to 283,336.58, 391,004.11 and 156,011.06

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Solution

The fourth proportional to 283,336.58, 391,004.11 and 156,011.06 is: 215,295.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,336.58 : 391,004.11 = 156,011.06 : x
  2. Step 2: Convert to fraction form
    283,336.58/391,004.11 = 156,011.06/x
  3. Step 3: Cross multiply
    283,336.58x = 391,004.11 × 156,011.06
  4. Step 4: Simplify right side
    283,336.58x = 61,000,966,837.98
  5. Step 5: Solve for x
    x = 61,000,966,837.98/283,336.58
  6. Step 6: Final answer
    x = 215,295.06

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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.