Home / 177,777.78-245,340.96-97,200.50

Finding the Fourth Proportional to 177,777.78, 245,340.96 and 97,200.50

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Solution

The fourth proportional to 177,777.78, 245,340.96 and 97,200.50 is: 134,140.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,777.78 : 245,340.96 = 97,200.50 : x
  2. Step 2: Convert to fraction form
    177,777.78/245,340.96 = 97,200.50/x
  3. Step 3: Cross multiply
    177,777.78x = 245,340.96 × 97,200.50
  4. Step 4: Simplify right side
    177,777.78x = 23,847,263,982.48
  5. Step 5: Solve for x
    x = 23,847,263,982.48/177,777.78
  6. Step 6: Final answer
    x = 134,140.86

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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.