Home / 252,330.08-378,496.53-74,838.42

Finding the Fourth Proportional to 252,330.08, 378,496.53 and 74,838.42

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Solution

The fourth proportional to 252,330.08, 378,496.53 and 74,838.42 is: 112,258.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,330.08 : 378,496.53 = 74,838.42 : x
  2. Step 2: Convert to fraction form
    252,330.08/378,496.53 = 74,838.42/x
  3. Step 3: Cross multiply
    252,330.08x = 378,496.53 × 74,838.42
  4. Step 4: Simplify right side
    252,330.08x = 28,326,082,280.68
  5. Step 5: Solve for x
    x = 28,326,082,280.68/252,330.08
  6. Step 6: Final answer
    x = 112,258.05

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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.