Home / 283,548.07-391,296.36-156,226.39

Finding the Fourth Proportional to 283,548.07, 391,296.36 and 156,226.39

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Solution

The fourth proportional to 283,548.07, 391,296.36 and 156,226.39 is: 215,592.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,548.07 : 391,296.36 = 156,226.39 : x
  2. Step 2: Convert to fraction form
    283,548.07/391,296.36 = 156,226.39/x
  3. Step 3: Cross multiply
    283,548.07x = 391,296.36 × 156,226.39
  4. Step 4: Simplify right side
    283,548.07x = 61,130,817,742.94
  5. Step 5: Solve for x
    x = 61,130,817,742.94/283,548.07
  6. Step 6: Final answer
    x = 215,592.43

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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.