Home / 302,778.88-454,221.76-125,186.38

Finding the Fourth Proportional to 302,778.88, 454,221.76 and 125,186.38

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Solution

The fourth proportional to 302,778.88, 454,221.76 and 125,186.38 is: 187,801.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,778.88 : 454,221.76 = 125,186.38 : x
  2. Step 2: Convert to fraction form
    302,778.88/454,221.76 = 125,186.38/x
  3. Step 3: Cross multiply
    302,778.88x = 454,221.76 × 125,186.38
  4. Step 4: Simplify right side
    302,778.88x = 56,862,377,851.63
  5. Step 5: Solve for x
    x = 56,862,377,851.63/302,778.88
  6. Step 6: Final answer
    x = 187,801.67

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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.