Home / 135,904.70-203,784.15-56,929.70

Finding the Fourth Proportional to 135,904.70, 203,784.15 and 56,929.70

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Solution

The fourth proportional to 135,904.70, 203,784.15 and 56,929.70 is: 85,364.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,904.70 : 203,784.15 = 56,929.70 : x
  2. Step 2: Convert to fraction form
    135,904.70/203,784.15 = 56,929.70/x
  3. Step 3: Cross multiply
    135,904.70x = 203,784.15 × 56,929.70
  4. Step 4: Simplify right side
    135,904.70x = 11,601,370,524.26
  5. Step 5: Solve for x
    x = 11,601,370,524.26/135,904.70
  6. Step 6: Final answer
    x = 85,364.01

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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.