Home / 283,631.94-391,412.16-154,570.46

Finding the Fourth Proportional to 283,631.94, 391,412.16 and 154,570.46

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Solution

The fourth proportional to 283,631.94, 391,412.16 and 154,570.46 is: 213,307.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,631.94 : 391,412.16 = 154,570.46 : x
  2. Step 2: Convert to fraction form
    283,631.94/391,412.16 = 154,570.46/x
  3. Step 3: Cross multiply
    283,631.94x = 391,412.16 × 154,570.46
  4. Step 4: Simplify right side
    283,631.94x = 60,500,755,663.73
  5. Step 5: Solve for x
    x = 60,500,755,663.73/283,631.94
  6. Step 6: Final answer
    x = 213,307.27

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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.