Home / 335,516.40-503,258.28-125,138.16

Finding the Fourth Proportional to 335,516.40, 503,258.28 and 125,138.16

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Solution

The fourth proportional to 335,516.40, 503,258.28 and 125,138.16 is: 187,701.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,516.40 : 503,258.28 = 125,138.16 : x
  2. Step 2: Convert to fraction form
    335,516.40/503,258.28 = 125,138.16/x
  3. Step 3: Cross multiply
    335,516.40x = 503,258.28 × 125,138.16
  4. Step 4: Simplify right side
    335,516.40x = 62,976,815,163.96
  5. Step 5: Solve for x
    x = 62,976,815,163.96/335,516.40
  6. Step 6: Final answer
    x = 187,701.15

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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.