Home / 146,640.75-202,364.24-79,572.75

Finding the Fourth Proportional to 146,640.75, 202,364.24 and 79,572.75

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Solution

The fourth proportional to 146,640.75, 202,364.24 and 79,572.75 is: 109,810.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,640.75 : 202,364.24 = 79,572.75 : x
  2. Step 2: Convert to fraction form
    146,640.75/202,364.24 = 79,572.75/x
  3. Step 3: Cross multiply
    146,640.75x = 202,364.24 × 79,572.75
  4. Step 4: Simplify right side
    146,640.75x = 16,102,678,680.60
  5. Step 5: Solve for x
    x = 16,102,678,680.60/146,640.75
  6. Step 6: Final answer
    x = 109,810.40

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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.