Home / 222,198.13-306,632.10-126,702.77

Finding the Fourth Proportional to 222,198.13, 306,632.10 and 126,702.77

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Solution

The fourth proportional to 222,198.13, 306,632.10 and 126,702.77 is: 174,849.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,198.13 : 306,632.10 = 126,702.77 : x
  2. Step 2: Convert to fraction form
    222,198.13/306,632.10 = 126,702.77/x
  3. Step 3: Cross multiply
    222,198.13x = 306,632.10 × 126,702.77
  4. Step 4: Simplify right side
    222,198.13x = 38,851,137,682.63
  5. Step 5: Solve for x
    x = 38,851,137,682.63/222,198.13
  6. Step 6: Final answer
    x = 174,849.08

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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.