Home / 144,095.46-198,850.96-83,680.94

Finding the Fourth Proportional to 144,095.46, 198,850.96 and 83,680.94

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Solution

The fourth proportional to 144,095.46, 198,850.96 and 83,680.94 is: 115,479.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,095.46 : 198,850.96 = 83,680.94 : x
  2. Step 2: Convert to fraction form
    144,095.46/198,850.96 = 83,680.94/x
  3. Step 3: Cross multiply
    144,095.46x = 198,850.96 × 83,680.94
  4. Step 4: Simplify right side
    144,095.46x = 16,640,035,854.43
  5. Step 5: Solve for x
    x = 16,640,035,854.43/144,095.46
  6. Step 6: Final answer
    x = 115,479.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.