Home / 283,961.99-391,837.29-156,637.59

Finding the Fourth Proportional to 283,961.99, 391,837.29 and 156,637.59

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Solution

The fourth proportional to 283,961.99, 391,837.29 and 156,637.59 is: 216,143.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,961.99 : 391,837.29 = 156,637.59 : x
  2. Step 2: Convert to fraction form
    283,961.99/391,837.29 = 156,637.59/x
  3. Step 3: Cross multiply
    283,961.99x = 391,837.29 × 156,637.59
  4. Step 4: Simplify right side
    283,961.99x = 61,376,448,777.73
  5. Step 5: Solve for x
    x = 61,376,448,777.73/283,961.99
  6. Step 6: Final answer
    x = 216,143.18

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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.