Home / 389,124.09-536,899.68-236,158.83

Finding the Fourth Proportional to 389,124.09, 536,899.68 and 236,158.83

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Solution

The fourth proportional to 389,124.09, 536,899.68 and 236,158.83 is: 325,843.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,124.09 : 536,899.68 = 236,158.83 : x
  2. Step 2: Convert to fraction form
    389,124.09/536,899.68 = 236,158.83/x
  3. Step 3: Cross multiply
    389,124.09x = 536,899.68 × 236,158.83
  4. Step 4: Simplify right side
    389,124.09x = 126,793,600,256.17
  5. Step 5: Solve for x
    x = 126,793,600,256.17/389,124.09
  6. Step 6: Final answer
    x = 325,843.62

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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.