Home / 283,726.06-391,544.62-156,406.21

Finding the Fourth Proportional to 283,726.06, 391,544.62 and 156,406.21

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Solution

The fourth proportional to 283,726.06, 391,544.62 and 156,406.21 is: 215,842.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,726.06 : 391,544.62 = 156,406.21 : x
  2. Step 2: Convert to fraction form
    283,726.06/391,544.62 = 156,406.21/x
  3. Step 3: Cross multiply
    283,726.06x = 391,544.62 × 156,406.21
  4. Step 4: Simplify right side
    283,726.06x = 61,240,008,690.21
  5. Step 5: Solve for x
    x = 61,240,008,690.21/283,726.06
  6. Step 6: Final answer
    x = 215,842.03

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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.