Home / 280,333.26-386,814.29-165,596.04

Finding the Fourth Proportional to 280,333.26, 386,814.29 and 165,596.04

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Solution

The fourth proportional to 280,333.26, 386,814.29 and 165,596.04 is: 228,495.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,333.26 : 386,814.29 = 165,596.04 : x
  2. Step 2: Convert to fraction form
    280,333.26/386,814.29 = 165,596.04/x
  3. Step 3: Cross multiply
    280,333.26x = 386,814.29 × 165,596.04
  4. Step 4: Simplify right side
    280,333.26x = 64,054,913,811.43
  5. Step 5: Solve for x
    x = 64,054,913,811.43/280,333.26
  6. Step 6: Final answer
    x = 228,495.59

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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.