Home / 131,751.09-197,632.11-38,256.84

Finding the Fourth Proportional to 131,751.09, 197,632.11 and 38,256.84

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Solution

The fourth proportional to 131,751.09, 197,632.11 and 38,256.84 is: 57,386.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,751.09 : 197,632.11 = 38,256.84 : x
  2. Step 2: Convert to fraction form
    131,751.09/197,632.11 = 38,256.84/x
  3. Step 3: Cross multiply
    131,751.09x = 197,632.11 × 38,256.84
  4. Step 4: Simplify right side
    131,751.09x = 7,560,780,752.25
  5. Step 5: Solve for x
    x = 7,560,780,752.25/131,751.09
  6. Step 6: Final answer
    x = 57,386.85

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1.5x scale

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.