Home / 177,709.50-245,231.46-97,140.42

Finding the Fourth Proportional to 177,709.50, 245,231.46 and 97,140.42

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Solution

The fourth proportional to 177,709.50, 245,231.46 and 97,140.42 is: 134,049.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,709.50 : 245,231.46 = 97,140.42 : x
  2. Step 2: Convert to fraction form
    177,709.50/245,231.46 = 97,140.42/x
  3. Step 3: Cross multiply
    177,709.50x = 245,231.46 × 97,140.42
  4. Step 4: Simplify right side
    177,709.50x = 23,821,887,021.61
  5. Step 5: Solve for x
    x = 23,821,887,021.61/177,709.50
  6. Step 6: Final answer
    x = 134,049.60

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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.