Home / 283,797.03-391,642.55-156,477.15

Finding the Fourth Proportional to 283,797.03, 391,642.55 and 156,477.15

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Solution

The fourth proportional to 283,797.03, 391,642.55 and 156,477.15 is: 215,939.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,797.03 : 391,642.55 = 156,477.15 : x
  2. Step 2: Convert to fraction form
    283,797.03/391,642.55 = 156,477.15/x
  3. Step 3: Cross multiply
    283,797.03x = 391,642.55 × 156,477.15
  4. Step 4: Simplify right side
    283,797.03x = 61,283,109,260.35
  5. Step 5: Solve for x
    x = 61,283,109,260.35/283,797.03
  6. Step 6: Final answer
    x = 215,939.92

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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.