Home / 163,126.86-225,194.20-109,392.26

Finding the Fourth Proportional to 163,126.86, 225,194.20 and 109,392.26

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Solution

The fourth proportional to 163,126.86, 225,194.20 and 109,392.26 is: 151,014.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,126.86 : 225,194.20 = 109,392.26 : x
  2. Step 2: Convert to fraction form
    163,126.86/225,194.20 = 109,392.26/x
  3. Step 3: Cross multiply
    163,126.86x = 225,194.20 × 109,392.26
  4. Step 4: Simplify right side
    163,126.86x = 24,634,502,476.89
  5. Step 5: Solve for x
    x = 24,634,502,476.89/163,126.86
  6. Step 6: Final answer
    x = 151,014.39

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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.