Home / 110,262.03-152,204.88-78,164.42

Finding the Fourth Proportional to 110,262.03, 152,204.88 and 78,164.42

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Solution

The fourth proportional to 110,262.03, 152,204.88 and 78,164.42 is: 107,897.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,262.03 : 152,204.88 = 78,164.42 : x
  2. Step 2: Convert to fraction form
    110,262.03/152,204.88 = 78,164.42/x
  3. Step 3: Cross multiply
    110,262.03x = 152,204.88 × 78,164.42
  4. Step 4: Simplify right side
    110,262.03x = 11,897,005,405.35
  5. Step 5: Solve for x
    x = 11,897,005,405.35/110,262.03
  6. Step 6: Final answer
    x = 107,897.57

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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.