Home / 351,120.15-526,458.78-193,459.32

Finding the Fourth Proportional to 351,120.15, 526,458.78 and 193,459.32

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Solution

The fourth proportional to 351,120.15, 526,458.78 and 193,459.32 is: 290,066.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,120.15 : 526,458.78 = 193,459.32 : x
  2. Step 2: Convert to fraction form
    351,120.15/526,458.78 = 193,459.32/x
  3. Step 3: Cross multiply
    351,120.15x = 526,458.78 × 193,459.32
  4. Step 4: Simplify right side
    351,120.15x = 101,848,357,586.83
  5. Step 5: Solve for x
    x = 101,848,357,586.83/351,120.15
  6. Step 6: Final answer
    x = 290,066.97

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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.