Home / 266,160.86-398,909.06-133,079.19

Finding the Fourth Proportional to 266,160.86, 398,909.06 and 133,079.19

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Solution

The fourth proportional to 266,160.86, 398,909.06 and 133,079.19 is: 199,452.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,160.86 : 398,909.06 = 133,079.19 : x
  2. Step 2: Convert to fraction form
    266,160.86/398,909.06 = 133,079.19/x
  3. Step 3: Cross multiply
    266,160.86x = 398,909.06 × 133,079.19
  4. Step 4: Simplify right side
    266,160.86x = 53,086,494,588.46
  5. Step 5: Solve for x
    x = 53,086,494,588.46/266,160.86
  6. Step 6: Final answer
    x = 199,452.67

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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.