Home / 110,440.26-152,225.55-78,133.14

Finding the Fourth Proportional to 110,440.26, 152,225.55 and 78,133.14

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Solution

The fourth proportional to 110,440.26, 152,225.55 and 78,133.14 is: 107,694.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,440.26 : 152,225.55 = 78,133.14 : x
  2. Step 2: Convert to fraction form
    110,440.26/152,225.55 = 78,133.14/x
  3. Step 3: Cross multiply
    110,440.26x = 152,225.55 × 78,133.14
  4. Step 4: Simplify right side
    110,440.26x = 11,893,860,209.73
  5. Step 5: Solve for x
    x = 11,893,860,209.73/110,440.26
  6. Step 6: Final answer
    x = 107,694.97

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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.