Home / 135,904.75-203,767.15-64,838.36

Finding the Fourth Proportional to 135,904.75, 203,767.15 and 64,838.36

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Solution

The fourth proportional to 135,904.75, 203,767.15 and 64,838.36 is: 97,214.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,904.75 : 203,767.15 = 64,838.36 : x
  2. Step 2: Convert to fraction form
    135,904.75/203,767.15 = 64,838.36/x
  3. Step 3: Cross multiply
    135,904.75x = 203,767.15 × 64,838.36
  4. Step 4: Simplify right side
    135,904.75x = 13,211,927,332.94
  5. Step 5: Solve for x
    x = 13,211,927,332.94/135,904.75
  6. Step 6: Final answer
    x = 97,214.61

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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.