Home / 252,449.20-378,312.90-185,362.96

Finding the Fourth Proportional to 252,449.20, 378,312.90 and 185,362.96

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Solution

The fourth proportional to 252,449.20, 378,312.90 and 185,362.96 is: 277,779.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,449.20 : 378,312.90 = 185,362.96 : x
  2. Step 2: Convert to fraction form
    252,449.20/378,312.90 = 185,362.96/x
  3. Step 3: Cross multiply
    252,449.20x = 378,312.90 × 185,362.96
  4. Step 4: Simplify right side
    252,449.20x = 70,125,198,950.18
  5. Step 5: Solve for x
    x = 70,125,198,950.18/252,449.20
  6. Step 6: Final answer
    x = 277,779.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.