Home / 192,010.86-264,975.75-107,131.50

Finding the Fourth Proportional to 192,010.86, 264,975.75 and 107,131.50

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Solution

The fourth proportional to 192,010.86, 264,975.75 and 107,131.50 is: 147,841.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,010.86 : 264,975.75 = 107,131.50 : x
  2. Step 2: Convert to fraction form
    192,010.86/264,975.75 = 107,131.50/x
  3. Step 3: Cross multiply
    192,010.86x = 264,975.75 × 107,131.50
  4. Step 4: Simplify right side
    192,010.86x = 28,387,249,561.13
  5. Step 5: Solve for x
    x = 28,387,249,561.13/192,010.86
  6. Step 6: Final answer
    x = 147,841.90

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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.