Home / 134,697.75-202,106.22-70,640.61

Finding the Fourth Proportional to 134,697.75, 202,106.22 and 70,640.61

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Solution

The fourth proportional to 134,697.75, 202,106.22 and 70,640.61 is: 105,992.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,697.75 : 202,106.22 = 70,640.61 : x
  2. Step 2: Convert to fraction form
    134,697.75/202,106.22 = 70,640.61/x
  3. Step 3: Cross multiply
    134,697.75x = 202,106.22 × 70,640.61
  4. Step 4: Simplify right side
    134,697.75x = 14,276,906,665.59
  5. Step 5: Solve for x
    x = 14,276,906,665.59/134,697.75
  6. Step 6: Final answer
    x = 105,992.17

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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.