Home / 134,790.54-202,309.94-68,276.98

Finding the Fourth Proportional to 134,790.54, 202,309.94 and 68,276.98

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Solution

The fourth proportional to 134,790.54, 202,309.94 and 68,276.98 is: 102,478.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,790.54 : 202,309.94 = 68,276.98 : x
  2. Step 2: Convert to fraction form
    134,790.54/202,309.94 = 68,276.98/x
  3. Step 3: Cross multiply
    134,790.54x = 202,309.94 × 68,276.98
  4. Step 4: Simplify right side
    134,790.54x = 13,813,111,727.18
  5. Step 5: Solve for x
    x = 13,813,111,727.18/134,790.54
  6. Step 6: Final answer
    x = 102,478.35

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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.