Home / 278,662.36-384,713.46-183,445.85

Finding the Fourth Proportional to 278,662.36, 384,713.46 and 183,445.85

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Solution

The fourth proportional to 278,662.36, 384,713.46 and 183,445.85 is: 253,260.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,662.36 : 384,713.46 = 183,445.85 : x
  2. Step 2: Convert to fraction form
    278,662.36/384,713.46 = 183,445.85/x
  3. Step 3: Cross multiply
    278,662.36x = 384,713.46 × 183,445.85
  4. Step 4: Simplify right side
    278,662.36x = 70,574,087,676.14
  5. Step 5: Solve for x
    x = 70,574,087,676.14/278,662.36
  6. Step 6: Final answer
    x = 253,260.21

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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.