Home / 201,651.16-278,269.02-111,005.24

Finding the Fourth Proportional to 201,651.16, 278,269.02 and 111,005.24

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Solution

The fourth proportional to 201,651.16, 278,269.02 and 111,005.24 is: 153,181.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,651.16 : 278,269.02 = 111,005.24 : x
  2. Step 2: Convert to fraction form
    201,651.16/278,269.02 = 111,005.24/x
  3. Step 3: Cross multiply
    201,651.16x = 278,269.02 × 111,005.24
  4. Step 4: Simplify right side
    201,651.16x = 30,889,319,349.66
  5. Step 5: Solve for x
    x = 30,889,319,349.66/201,651.16
  6. Step 6: Final answer
    x = 153,181.96

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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.