Home / 389,207.27-537,105.79-210,359.27

Finding the Fourth Proportional to 389,207.27, 537,105.79 and 210,359.27

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Solution

The fourth proportional to 389,207.27, 537,105.79 and 210,359.27 is: 290,295.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,207.27 : 537,105.79 = 210,359.27 : x
  2. Step 2: Convert to fraction form
    389,207.27/537,105.79 = 210,359.27/x
  3. Step 3: Cross multiply
    389,207.27x = 537,105.79 × 210,359.27
  4. Step 4: Simplify right side
    389,207.27x = 112,985,181,897.17
  5. Step 5: Solve for x
    x = 112,985,181,897.17/389,207.27
  6. Step 6: Final answer
    x = 290,295.66

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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.