Home / 177,985.20-245,608.92-97,396.72

Finding the Fourth Proportional to 177,985.20, 245,608.92 and 97,396.72

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Solution

The fourth proportional to 177,985.20, 245,608.92 and 97,396.72 is: 134,401.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,985.20 : 245,608.92 = 97,396.72 : x
  2. Step 2: Convert to fraction form
    177,985.20/245,608.92 = 97,396.72/x
  3. Step 3: Cross multiply
    177,985.20x = 245,608.92 × 97,396.72
  4. Step 4: Simplify right side
    177,985.20x = 23,921,503,210.74
  5. Step 5: Solve for x
    x = 23,921,503,210.74/177,985.20
  6. Step 6: Final answer
    x = 134,401.64

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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.