Home / 110,110.86-151,884.45-91,666.89

Finding the Fourth Proportional to 110,110.86, 151,884.45 and 91,666.89

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Solution

The fourth proportional to 110,110.86, 151,884.45 and 91,666.89 is: 126,443.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,110.86 : 151,884.45 = 91,666.89 : x
  2. Step 2: Convert to fraction form
    110,110.86/151,884.45 = 91,666.89/x
  3. Step 3: Cross multiply
    110,110.86x = 151,884.45 × 91,666.89
  4. Step 4: Simplify right side
    110,110.86x = 13,922,775,170.86
  5. Step 5: Solve for x
    x = 13,922,775,170.86/110,110.86
  6. Step 6: Final answer
    x = 126,443.25

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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.