Home / 335,631.05-503,445.97-99,139.81

Finding the Fourth Proportional to 335,631.05, 503,445.97 and 99,139.81

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Solution

The fourth proportional to 335,631.05, 503,445.97 and 99,139.81 is: 148,709.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,631.05 : 503,445.97 = 99,139.81 : x
  2. Step 2: Convert to fraction form
    335,631.05/503,445.97 = 99,139.81/x
  3. Step 3: Cross multiply
    335,631.05x = 503,445.97 × 99,139.81
  4. Step 4: Simplify right side
    335,631.05x = 49,911,537,811.07
  5. Step 5: Solve for x
    x = 49,911,537,811.07/335,631.05
  6. Step 6: Final answer
    x = 148,709.54

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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.