Home / 202,171.66-278,996.10-111,533.27

Finding the Fourth Proportional to 202,171.66, 278,996.10 and 111,533.27

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Solution

The fourth proportional to 202,171.66, 278,996.10 and 111,533.27 is: 153,915.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,171.66 : 278,996.10 = 111,533.27 : x
  2. Step 2: Convert to fraction form
    202,171.66/278,996.10 = 111,533.27/x
  3. Step 3: Cross multiply
    202,171.66x = 278,996.10 × 111,533.27
  4. Step 4: Simplify right side
    202,171.66x = 31,117,346,234.10
  5. Step 5: Solve for x
    x = 31,117,346,234.10/202,171.66
  6. Step 6: Final answer
    x = 153,915.47

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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.