Home / 243,631.06-336,213.10-134,729.77

Finding the Fourth Proportional to 243,631.06, 336,213.10 and 134,729.77

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Solution

The fourth proportional to 243,631.06, 336,213.10 and 134,729.77 is: 185,928.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,631.06 : 336,213.10 = 134,729.77 : x
  2. Step 2: Convert to fraction form
    243,631.06/336,213.10 = 134,729.77/x
  3. Step 3: Cross multiply
    243,631.06x = 336,213.10 × 134,729.77
  4. Step 4: Simplify right side
    243,631.06x = 45,297,913,633.99
  5. Step 5: Solve for x
    x = 45,297,913,633.99/243,631.06
  6. Step 6: Final answer
    x = 185,928.32

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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.