Home / 208,983.57-288,485.61-141,092.50

Finding the Fourth Proportional to 208,983.57, 288,485.61 and 141,092.50

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Solution

The fourth proportional to 208,983.57, 288,485.61 and 141,092.50 is: 194,767.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,983.57 : 288,485.61 = 141,092.50 : x
  2. Step 2: Convert to fraction form
    208,983.57/288,485.61 = 141,092.50/x
  3. Step 3: Cross multiply
    208,983.57x = 288,485.61 × 141,092.50
  4. Step 4: Simplify right side
    208,983.57x = 40,703,155,928.93
  5. Step 5: Solve for x
    x = 40,703,155,928.93/208,983.57
  6. Step 6: Final answer
    x = 194,767.25

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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.