Home / 283,817.46-391,666.67-156,493.06

Finding the Fourth Proportional to 283,817.46, 391,666.67 and 156,493.06

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Solution

The fourth proportional to 283,817.46, 391,666.67 and 156,493.06 is: 215,959.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,817.46 : 391,666.67 = 156,493.06 : x
  2. Step 2: Convert to fraction form
    283,817.46/391,666.67 = 156,493.06/x
  3. Step 3: Cross multiply
    283,817.46x = 391,666.67 × 156,493.06
  4. Step 4: Simplify right side
    283,817.46x = 61,293,115,393.80
  5. Step 5: Solve for x
    x = 61,293,115,393.80/283,817.46
  6. Step 6: Final answer
    x = 215,959.63

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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.