Home / 283,722.28-391,412.66-186,801.12

Finding the Fourth Proportional to 283,722.28, 391,412.66 and 186,801.12

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Solution

The fourth proportional to 283,722.28, 391,412.66 and 186,801.12 is: 257,703.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,722.28 : 391,412.66 = 186,801.12 : x
  2. Step 2: Convert to fraction form
    283,722.28/391,412.66 = 186,801.12/x
  3. Step 3: Cross multiply
    283,722.28x = 391,412.66 × 186,801.12
  4. Step 4: Simplify right side
    283,722.28x = 73,116,322,336.17
  5. Step 5: Solve for x
    x = 73,116,322,336.17/283,722.28
  6. Step 6: Final answer
    x = 257,703.85

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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.