Home / 208,553.20-287,969.08-192,631.92

Finding the Fourth Proportional to 208,553.20, 287,969.08 and 192,631.92

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Solution

The fourth proportional to 208,553.20, 287,969.08 and 192,631.92 is: 265,985.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,553.20 : 287,969.08 = 192,631.92 : x
  2. Step 2: Convert to fraction form
    208,553.20/287,969.08 = 192,631.92/x
  3. Step 3: Cross multiply
    208,553.20x = 287,969.08 × 192,631.92
  4. Step 4: Simplify right side
    208,553.20x = 55,472,036,781.03
  5. Step 5: Solve for x
    x = 55,472,036,781.03/208,553.20
  6. Step 6: Final answer
    x = 265,985.07

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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.