Home / 218,818.26-328,227.39-52,606.26

Finding the Fourth Proportional to 218,818.26, 328,227.39 and 52,606.26

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Solution

The fourth proportional to 218,818.26, 328,227.39 and 52,606.26 is: 78,909.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,818.26 : 328,227.39 = 52,606.26 : x
  2. Step 2: Convert to fraction form
    218,818.26/328,227.39 = 52,606.26/x
  3. Step 3: Cross multiply
    218,818.26x = 328,227.39 × 52,606.26
  4. Step 4: Simplify right side
    218,818.26x = 17,266,815,417.46
  5. Step 5: Solve for x
    x = 17,266,815,417.46/218,818.26
  6. Step 6: Final answer
    x = 78,909.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.