Home / 351,262.12-526,916.64-123,530.42

Finding the Fourth Proportional to 351,262.12, 526,916.64 and 123,530.42

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Solution

The fourth proportional to 351,262.12, 526,916.64 and 123,530.42 is: 185,303.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,262.12 : 526,916.64 = 123,530.42 : x
  2. Step 2: Convert to fraction form
    351,262.12/526,916.64 = 123,530.42/x
  3. Step 3: Cross multiply
    351,262.12x = 526,916.64 × 123,530.42
  4. Step 4: Simplify right side
    351,262.12x = 65,090,232,660.81
  5. Step 5: Solve for x
    x = 65,090,232,660.81/351,262.12
  6. Step 6: Final answer
    x = 185,303.88

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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.