Home / 174,022.80-260,688.60-103,693.20

Finding the Fourth Proportional to 174,022.80, 260,688.60 and 103,693.20

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Solution

The fourth proportional to 174,022.80, 260,688.60 and 103,693.20 is: 155,333.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,022.80 : 260,688.60 = 103,693.20 : x
  2. Step 2: Convert to fraction form
    174,022.80/260,688.60 = 103,693.20/x
  3. Step 3: Cross multiply
    174,022.80x = 260,688.60 × 103,693.20
  4. Step 4: Simplify right side
    174,022.80x = 27,031,635,137.52
  5. Step 5: Solve for x
    x = 27,031,635,137.52/174,022.80
  6. Step 6: Final answer
    x = 155,333.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.