Home / 176,110.91-243,033.06-100,661.03

Finding the Fourth Proportional to 176,110.91, 243,033.06 and 100,661.03

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Solution

The fourth proportional to 176,110.91, 243,033.06 and 100,661.03 is: 138,912.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,110.91 : 243,033.06 = 100,661.03 : x
  2. Step 2: Convert to fraction form
    176,110.91/243,033.06 = 100,661.03/x
  3. Step 3: Cross multiply
    176,110.91x = 243,033.06 × 100,661.03
  4. Step 4: Simplify right side
    176,110.91x = 24,463,957,640.35
  5. Step 5: Solve for x
    x = 24,463,957,640.35/176,110.91
  6. Step 6: Final answer
    x = 138,912.22

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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.