Home / 192,543.63-288,816.26-126,402.27

Finding the Fourth Proportional to 192,543.63, 288,816.26 and 126,402.27

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Solution

The fourth proportional to 192,543.63, 288,816.26 and 126,402.27 is: 189,603.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,543.63 : 288,816.26 = 126,402.27 : x
  2. Step 2: Convert to fraction form
    192,543.63/288,816.26 = 126,402.27/x
  3. Step 3: Cross multiply
    192,543.63x = 288,816.26 × 126,402.27
  4. Step 4: Simplify right side
    192,543.63x = 36,507,030,244.90
  5. Step 5: Solve for x
    x = 36,507,030,244.90/192,543.63
  6. Step 6: Final answer
    x = 189,603.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.