Home / 278,716.70-384,788.64-183,500.18

Finding the Fourth Proportional to 278,716.70, 384,788.64 and 183,500.18

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Solution

The fourth proportional to 278,716.70, 384,788.64 and 183,500.18 is: 253,335.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,716.70 : 384,788.64 = 183,500.18 : x
  2. Step 2: Convert to fraction form
    278,716.70/384,788.64 = 183,500.18/x
  3. Step 3: Cross multiply
    278,716.70x = 384,788.64 × 183,500.18
  4. Step 4: Simplify right side
    278,716.70x = 70,608,784,701.96
  5. Step 5: Solve for x
    x = 70,608,784,701.96/278,716.70
  6. Step 6: Final answer
    x = 253,335.32

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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.