Home / 188,538.23-260,176.11-103,654.64

Finding the Fourth Proportional to 188,538.23, 260,176.11 and 103,654.64

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Solution

The fourth proportional to 188,538.23, 260,176.11 and 103,654.64 is: 143,039.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,538.23 : 260,176.11 = 103,654.64 : x
  2. Step 2: Convert to fraction form
    188,538.23/260,176.11 = 103,654.64/x
  3. Step 3: Cross multiply
    188,538.23x = 260,176.11 × 103,654.64
  4. Step 4: Simplify right side
    188,538.23x = 26,968,461,018.65
  5. Step 5: Solve for x
    x = 26,968,461,018.65/188,538.23
  6. Step 6: Final answer
    x = 143,039.75

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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.