Home / 177,794.03-245,335.61-105,199.15

Finding the Fourth Proportional to 177,794.03, 245,335.61 and 105,199.15

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Solution

The fourth proportional to 177,794.03, 245,335.61 and 105,199.15 is: 145,162.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,794.03 : 245,335.61 = 105,199.15 : x
  2. Step 2: Convert to fraction form
    177,794.03/245,335.61 = 105,199.15/x
  3. Step 3: Cross multiply
    177,794.03x = 245,335.61 × 105,199.15
  4. Step 4: Simplify right side
    177,794.03x = 25,809,097,636.73
  5. Step 5: Solve for x
    x = 25,809,097,636.73/177,794.03
  6. Step 6: Final answer
    x = 145,162.90

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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.