Home / 346,066.45-477,500.41-198,862.85

Finding the Fourth Proportional to 346,066.45, 477,500.41 and 198,862.85

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Solution

The fourth proportional to 346,066.45, 477,500.41 and 198,862.85 is: 274,389.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,066.45 : 477,500.41 = 198,862.85 : x
  2. Step 2: Convert to fraction form
    346,066.45/477,500.41 = 198,862.85/x
  3. Step 3: Cross multiply
    346,066.45x = 477,500.41 × 198,862.85
  4. Step 4: Simplify right side
    346,066.45x = 94,957,092,732.49
  5. Step 5: Solve for x
    x = 94,957,092,732.49/346,066.45
  6. Step 6: Final answer
    x = 274,389.76

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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.