Home / 335,473.60-503,284.32-145,963.72

Finding the Fourth Proportional to 335,473.60, 503,284.32 and 145,963.72

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Solution

The fourth proportional to 335,473.60, 503,284.32 and 145,963.72 is: 218,977.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,473.60 : 503,284.32 = 145,963.72 : x
  2. Step 2: Convert to fraction form
    335,473.60/503,284.32 = 145,963.72/x
  3. Step 3: Cross multiply
    335,473.60x = 503,284.32 × 145,963.72
  4. Step 4: Simplify right side
    335,473.60x = 73,461,251,564.87
  5. Step 5: Solve for x
    x = 73,461,251,564.87/335,473.60
  6. Step 6: Final answer
    x = 218,977.74

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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.